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<span>Overview</span> </div> </a> <button aria-controls="toc-Overview-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Overview subsection</span> </button> <ul id="toc-Overview-sublist" class="vector-toc-list"> <li id="toc-Changes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Changes"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Changes</span> </div> </a> <ul id="toc-Changes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-New_features" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#New_features"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>New features</span> </div> </a> <ul id="toc-New_features-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Installation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Installation"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Installation</span> </div> </a> <ul id="toc-Installation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Transition_to_PowerPC" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Transition_to_PowerPC"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.4</span> <span>Transition to PowerPC</span> </div> </a> <ul id="toc-Transition_to_PowerPC-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-PC_compatibility" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#PC_compatibility"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.5</span> <span>PC compatibility</span> </div> </a> <ul id="toc-PC_compatibility-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Miscellaneous" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Miscellaneous"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.6</span> <span>Miscellaneous</span> </div> </a> <ul id="toc-Miscellaneous-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Version_history" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Version_history"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Version history</span> </div> </a> <button aria-controls="toc-Version_history-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Version history subsection</span> </button> <ul id="toc-Version_history-sublist" class="vector-toc-list"> <li id="toc-System_7.1" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#System_7.1"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>System 7.1</span> </div> </a> <ul id="toc-System_7.1-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-System_7.5" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#System_7.5"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>System 7.5</span> </div> </a> <ul id="toc-System_7.5-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Mac_OS_7.6" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Mac_OS_7.6"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Mac OS 7.6</span> </div> </a> <ul id="toc-Mac_OS_7.6-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Releases" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Releases"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Releases</span> </div> </a> <ul id="toc-Releases-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Timeline" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Timeline"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Timeline</span> </div> </a> <ul id="toc-Timeline-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" 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href="#Further_reading"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Further reading</span> </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" 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7 – Czech" lang="cs" hreflang="cs" data-title="System 7" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/System_7" title="System 7 – German" lang="de" hreflang="de" data-title="System 7" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/System_7" title="System 7 – Spanish" lang="es" hreflang="es" data-title="System 7" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Syst%C3%A8me_7" title="Système 7 – French" lang="fr" hreflang="fr" data-title="Système 7" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%8B%9C%EC%8A%A4%ED%85%9C_7" title="시스템 7 – Korean" lang="ko" hreflang="ko" data-title="시스템 7" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/System_7" title="System 7 – Italian" lang="it" hreflang="it" data-title="System 7" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Apple_System_7" title="Apple System 7 – Lombard" lang="lmo" hreflang="lmo" data-title="Apple System 7" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/System_7" title="System 7 – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="System 7" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/System_Software_7" title="System Software 7 – Polish" lang="pl" hreflang="pl" data-title="System Software 7" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/System_7" title="System 7 – Portuguese" lang="pt" hreflang="pt" data-title="System 7" data-language-autonym="Português" 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class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/System_7" title="System 7 – Turkish" lang="tr" hreflang="tr" data-title="System 7" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/System_7" title="System 7 – Chinese" lang="zh" hreflang="zh" data-title="System 7" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q420384#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div 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</div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Seventh major release of the classic Mac OS (1991)</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output 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Statements consisting only of original research should be removed.</span> <span class="date-container"><i>(<span class="date">December 2023</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> </div> </div><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">This article is about the seventh major release of the classic Apple Macintosh operating system. For other uses, see <a href="/wiki/System_7_(disambiguation)" class="mw-disambig" title="System 7 (disambiguation)">System 7 (disambiguation)</a>.</div> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Operating system</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vevent"><caption class="infobox-title summary">System 7</caption><tbody><tr><td colspan="2" class="infobox-subheader">Version of the <a href="/wiki/Classic_Mac_OS" title="Classic Mac OS">classic Mac OS</a> operating system</td></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:Mac_OS_7.6.1_emulated_inside_of_SheepShaver.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/9/95/Mac_OS_7.6.1_emulated_inside_of_SheepShaver.png/300px-Mac_OS_7.6.1_emulated_inside_of_SheepShaver.png" decoding="async" width="300" height="225" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/95/Mac_OS_7.6.1_emulated_inside_of_SheepShaver.png/450px-Mac_OS_7.6.1_emulated_inside_of_SheepShaver.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/95/Mac_OS_7.6.1_emulated_inside_of_SheepShaver.png/600px-Mac_OS_7.6.1_emulated_inside_of_SheepShaver.png 2x" data-file-width="640" data-file-height="480" /></a></span><div class="infobox-caption">Screenshot of Mac OS 7.6.1</div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer</a></th><td class="infobox-data"><a href="/wiki/Apple_Computer" class="mw-redirect" title="Apple Computer">Apple Computer</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">OS family</th><td class="infobox-data"><a href="/wiki/Macintosh_operating_systems" class="mw-redirect" title="Macintosh operating systems">Macintosh</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Working state</th><td class="infobox-data">Historic</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Source model</th><td class="infobox-data"><a href="/wiki/Closed_source" class="mw-redirect" title="Closed source">Closed source</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">May 13, 1991<span class="noprint">; 33 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1991-05-13</span>)</span></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Latest release</a></th><td class="infobox-data">7.6.1 / April 7, 1997<span class="noprint">; 27 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">1997-04-07</span>)</span></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Platforms</th><td class="infobox-data"><a href="/wiki/Motorola_68000_series" title="Motorola 68000 series">Motorola 68k series</a>, <a href="/wiki/PowerPC" title="PowerPC">PowerPC</a> (since 7.1.2)</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Kernel_(operating_system)" title="Kernel (operating system)">Kernel</a> type</th><td class="infobox-data"><a href="/wiki/Monolithic_kernel" title="Monolithic kernel">Monolithic</a> (68k),<br /><a href="/wiki/Nanokernel" class="mw-redirect" title="Nanokernel">nanokernel</a> (PowerPC)</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/Proprietary_software" title="Proprietary software">Proprietary</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Preceded by</th><td class="infobox-data"><a href="/wiki/System_6" title="System 6">System 6</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Succeeded by</th><td class="infobox-data"><a href="/wiki/Mac_OS_8" title="Mac OS 8">Mac OS 8</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Official website</th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://web.archive.org/web/19970412143953id_/http://macos.apple.com:80/macos/releases.html">Mac OS Releases</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived April 12, 1997)</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Tagline</th><td class="infobox-data">It's powerful, it's easy to use-it's the new operating system for your Macintosh.</td></tr><tr><th colspan="2" class="infobox-header">Support status</th></tr><tr><td colspan="2" class="infobox-full-data">Historical, unsupported as of May 2001</td></tr></tbody></table> <style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist 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.sidebar{width:100%!important;clear:both;float:none!important;margin-left:0!important;margin-right:0!important}}body.skin--responsive .mw-parser-output .sidebar a>img{max-width:none!important}@media screen{html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-night .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-list-title,html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle{background:transparent!important}html.skin-theme-clientpref-os .mw-parser-output .sidebar:not(.notheme) .sidebar-title-with-pretitle a{color:var(--color-progressive)!important}}@media print{body.ns-0 .mw-parser-output .sidebar{display:none!important}}</style><table class="sidebar sidebar-collapse nomobile nowraplinks hlist"><tbody><tr><td class="sidebar-pretitle">Part of a series on</td></tr><tr><th class="sidebar-title-with-pretitle"><a href="/wiki/Classic_Mac_OS" title="Classic Mac OS">Classic Mac OS</a></th></tr><tr><td class="sidebar-image"><span typeof="mw:File"><a href="/wiki/File:Macintosh_128k_transparency.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Macintosh_128k_transparency.png/100px-Macintosh_128k_transparency.png" decoding="async" width="100" height="117" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Macintosh_128k_transparency.png/150px-Macintosh_128k_transparency.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Macintosh_128k_transparency.png/200px-Macintosh_128k_transparency.png 2x" data-file-width="533" data-file-height="625" /></a></span></td></tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background: #e4e4f0; padding: 0 3px; margin-top: 3px;;color: var(--color-base)">Versions</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/System_1" title="System 1">System 1</a></li> <li><a href="/wiki/Classic_Mac_OS#System_1,_2,_3_and_4" title="Classic Mac OS">System 2, 3, and 4</a></li> <li><a href="/wiki/Classic_Mac_OS#System_Software_5" title="Classic Mac OS">System 5</a></li> <li><a href="/wiki/System_6" title="System 6">System 6</a></li> <li><a class="mw-selflink selflink">System 7</a> <ul><li>Mac OS 7</li></ul></li> <li><a href="/wiki/Mac_OS_8" title="Mac OS 8">Mac OS 8</a></li> <li><a href="/wiki/Mac_OS_9" title="Mac OS 9">Mac OS 9</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background: #e4e4f0; padding: 0 3px; margin-top: 3px;;color: var(--color-base)">Applications</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Calculator_(macOS)" class="mw-redirect" title="Calculator (macOS)">Calculator</a></li> <li><a href="/wiki/Chooser_(Mac_OS)" title="Chooser (Mac OS)">Chooser</a></li> <li>Drive Setup</li> <li><a href="/wiki/DVD_Player_(Mac_OS)" class="mw-redirect" title="DVD Player (Mac OS)">DVD Player</a></li> <li><a href="/wiki/Finder_(software)" title="Finder (software)">Finder</a></li> <li><a href="/wiki/NuCalc" title="NuCalc">Graphing Calculator</a></li> <li><a href="/wiki/Keychain_(software)" title="Keychain (software)">Keychain Access</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">PictureViewer</a></li> <li><a href="/wiki/Apple_Open_Collaboration_Environment" title="Apple Open Collaboration Environment">PowerTalk</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">QuickTime Player</a></li> <li><a href="/wiki/Network_Browser" title="Network Browser">Network Browser</a></li> <li><a href="/wiki/Scrapbook_(Mac_OS)" title="Scrapbook (Mac OS)">Scrapbook</a></li> <li><a href="/wiki/Sherlock_(software)" title="Sherlock (software)">Sherlock</a></li> <li><a href="/wiki/Apple_Software_Update" class="mw-redirect" title="Apple Software Update">Software Update</a></li> <li><a href="/wiki/Stickies_(Apple)" title="Stickies (Apple)">Stickies</a></li> <li><a href="/wiki/System_Information_(Mac)" class="mw-redirect" title="System Information (Mac)">System Information</a></li> <li><a href="/wiki/SimpleText" title="SimpleText">SimpleText</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background: #e4e4f0; padding: 0 3px; margin-top: 3px;;color: var(--color-base)">Developer</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/HyperCard" title="HyperCard">HyperCard</a></li> <li><a href="/wiki/MacsBug" title="MacsBug">MacsBug</a></li> <li><a href="/wiki/Macintosh_Programmer%27s_Workshop" title="Macintosh Programmer's Workshop">Macintosh Programmer's Workshop</a></li> <li><a href="/wiki/ResEdit" title="ResEdit">ResEdit</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background: #e4e4f0; padding: 0 3px; margin-top: 3px;;color: var(--color-base)">Technology</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Alias_(Mac_OS)" title="Alias (Mac OS)">Alias</a></li> <li><a href="/wiki/Appearance_Manager" title="Appearance Manager">Appearance Manager</a></li> <li><a href="/wiki/Apple_menu" title="Apple menu">Apple menu</a></li> <li><a href="/wiki/At_Ease" title="At Ease">At Ease</a></li> <li><a href="/wiki/Balloon_help" title="Balloon help">Balloon help</a></li> <li><a href="/wiki/Bomb_(icon)" title="Bomb (icon)">Bomb error</a></li> <li><a href="/wiki/Command_key" title="Command key">Command key (⌘)</a></li> <li><a href="/wiki/System_Preferences" class="mw-redirect" title="System Preferences">Control Panel</a></li> <li><a href="/wiki/Control_Strip" title="Control Strip">Control Strip</a></li> <li><a href="/wiki/Creator_code" title="Creator code">Creator code</a></li> <li><a href="/wiki/Dogcow" title="Dogcow">Dogcow</a></li> <li><a href="/wiki/Extension_(Mac_OS)" title="Extension (Mac OS)">Extensions</a></li> <li><a href="/wiki/Hierarchical_File_System_(Apple)" title="Hierarchical File System (Apple)">Hierarchical File System</a></li> <li><a href="/wiki/HFS_Plus" title="HFS Plus">HFS Plus</a></li> <li><a href="/wiki/Keychain_(software)" title="Keychain (software)">Keychain</a></li> <li><a href="/wiki/Label_(Mac_OS)" title="Label (Mac OS)">Labels</a></li> <li><a href="/wiki/Macintosh_File_System" title="Macintosh File System">Macintosh File System</a></li> <li><a href="/wiki/Macintosh_Toolbox" title="Macintosh Toolbox">Macintosh Toolbox</a></li> <li><a href="/wiki/Manager_(Mac_OS)" title="Manager (Mac OS)">Managers</a></li> <li><a href="/wiki/MultiFinder" title="MultiFinder">MultiFinder</a></li> <li><a href="/wiki/Option_key" title="Option key">Option key (⌥)</a></li> <li><a href="/wiki/OSType" class="mw-redirect" title="OSType">OSType</a></li> <li><a href="/wiki/PICT" title="PICT">PICT</a></li> <li><a href="/wiki/QuickDraw" title="QuickDraw">QuickDraw</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">QuickTime</a></li> <li><a href="/wiki/Resource_fork" title="Resource fork">Resource fork</a></li> <li><a href="/wiki/Sosumi" title="Sosumi">Sosumi sound</a></li> <li><a href="/wiki/Macintosh_startup" title="Macintosh startup">Startup sequence</a></li> <li><a href="/wiki/System_folder" title="System folder">System folder</a></li> <li><a href="/wiki/System_suitcase" title="System suitcase">System suitcase</a></li> <li><a href="/wiki/Type_code" class="mw-redirect" title="Type code">Type code</a></li> <li><a href="/wiki/WorldScript" title="WorldScript">WorldScript</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title" style="background: #e4e4f0; padding: 0 3px; margin-top: 3px;;color: var(--color-base)">Related</div><div class="sidebar-list-content mw-collapsible-content"> <ul><li><a href="/wiki/Mac_OS_memory_management" class="mw-redirect" title="Mac OS memory management">Memory management</a></li> <li><a href="/wiki/Old_World_ROM" title="Old World ROM">Old World ROM</a></li> <li><a href="/wiki/New_World_ROM" title="New World ROM">New World ROM</a></li> <li><a href="/wiki/List_of_old_Macintosh_software" class="mw-redirect" title="List of old Macintosh software">Software</a></li></ul></div></div></td> </tr><tr><td class="sidebar-navbar"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Classic_Mac_OS_sidebar" title="Template:Classic Mac OS sidebar"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Classic_Mac_OS_sidebar" title="Template talk:Classic Mac OS sidebar"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Classic_Mac_OS_sidebar" title="Special:EditPage/Template:Classic Mac OS sidebar"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>System 7</b> (later named <b>Mac OS 7</b>) is the seventh major release of the <a href="/wiki/Classic_Mac_OS" title="Classic Mac OS">classic Mac OS</a> <a href="/wiki/Operating_system" title="Operating system">operating system</a> for <a href="/wiki/Mac_(computer)" title="Mac (computer)">Macintosh</a> computers, made by <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple Computer</a>. It was launched on May 13, 1991, to succeed <a href="/wiki/System_6" title="System 6">System 6</a> with <a href="/wiki/Virtual_memory" title="Virtual memory">virtual memory</a>, personal <a href="/wiki/File_sharing" title="File sharing">file sharing</a>, <a href="/wiki/QuickTime" title="QuickTime">QuickTime</a>, <a href="/wiki/TrueType" title="TrueType">TrueType</a> fonts, the <a href="/wiki/Force_Quit" class="mw-redirect" title="Force Quit">Force Quit</a> dialog, and an improved user interface.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>It was <a href="/wiki/Codename" class="mw-redirect" title="Codename">code-named</a> "Big Bang" in development and the initial release was named "The System" or "System" like all earlier versions. With version 7.5.1, the name "Mac OS" debuted on the boot screen, and the operating system was officially renamed to Mac OS in 1997 with version 7.6. The Mac OS 7 line was the longest-lasting major version of the Classic Mac OSes due to the <a href="/wiki/Development_hell" title="Development hell">troubled development</a> of <a href="/wiki/Copland_(operating_system)" title="Copland (operating system)">Copland</a>, an operating system intended to be the successor to OS 7 before its cancellation and replacement with <a href="/wiki/Mac_OS_8" title="Mac OS 8">Mac OS 8</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Development">Development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=1" title="Edit section: Development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Secret_About_Box_from_System_7.0.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/b/bc/Secret_About_Box_from_System_7.0.png/220px-Secret_About_Box_from_System_7.0.png" decoding="async" width="220" height="121" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/bc/Secret_About_Box_from_System_7.0.png/330px-Secret_About_Box_from_System_7.0.png 1.5x, //upload.wikimedia.org/wikipedia/en/b/bc/Secret_About_Box_from_System_7.0.png 2x" data-file-width="419" data-file-height="231" /></a><figcaption>The Secret About Box debuted as an <a href="/wiki/Easter_egg_(media)" title="Easter egg (media)">Easter egg</a> in System 7.0, with the <a href="/wiki/Blue_Meanies_(Apple_Computer)" title="Blue Meanies (Apple Computer)">Blue Meanies</a> credits.</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Blue_Meanies_(Apple_Computer)" title="Blue Meanies (Apple Computer)">Blue Meanies (Apple Computer)</a> and <a href="/wiki/Taligent" title="Taligent">Taligent</a></div> <p><span class="anchor" id="Pink_and_Blue"></span> By 1988, the Macintosh had been on the market for four years. Some aspects of the operating system were beginning to fall behind those of <a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Microsoft Windows</a>.<sup id="cite_ref-Apple:_The_Inside_Story_3-0" class="reference"><a href="#cite_note-Apple:_The_Inside_Story-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 133">: 133 </span></sup> Many of the assumptions of the System software architecture were obsolete – mainly, the single-tasking model, the replacement of which had first been examined in 1986's Switcher and then replaced with <a href="/wiki/MultiFinder" title="MultiFinder">MultiFinder</a> in <a href="/wiki/Classic_Mac_OS#System_Software_5" title="Classic Mac OS">System 5</a>. </p><p>In March 1988,<sup id="cite_ref-n1_4-0" class="reference"><a href="#cite_note-n1-4"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Taligent's_Guide_5-0" class="reference"><a href="#cite_note-Taligent's_Guide-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: XXIII–XXIV">: XXIII–XXIV </span></sup> shortly before the release of System 6, a group of senior technical staff and managers at Apple held an offsite meeting to plan the future course of Mac OS development.<sup id="cite_ref-Apple:_The_Inside_Story_3-1" class="reference"><a href="#cite_note-Apple:_The_Inside_Story-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 96">: 96 </span></sup> Improvements that seemed achievable in the short term were written on blue <a href="/wiki/Index_card" title="Index card">index cards</a>, longer-term goals like true multitasking on pink cards, and more ambitious ideas like an <a href="/wiki/Object-oriented" class="mw-redirect" title="Object-oriented">object-oriented</a> <a href="/wiki/File_system" title="File system">file system</a> on red cards.<sup id="cite_ref-Apple:_The_Inside_Story_3-2" class="reference"><a href="#cite_note-Apple:_The_Inside_Story-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 96–98">: 96–98 </span></sup><sup id="cite_ref-Singh,_pg._2_6-0" class="reference"><a href="#cite_note-Singh,_pg._2-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The blue and pink ideas proceeded in parallel teams. The Blue team nicknamed itself <a href="/wiki/Blue_Meanies_(Apple_Computer)" title="Blue Meanies (Apple Computer)">Blue Meanies</a>, after characters in the film <i><a href="/wiki/Yellow_Submarine_(film)" title="Yellow Submarine (film)">Yellow Submarine</a></i>, and released System 7 in 1991.<sup id="cite_ref-bluemeanieseastereggs_7-0" class="reference"><a href="#cite_note-bluemeanieseastereggs-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Apple:_The_Inside_Story_3-3" class="reference"><a href="#cite_note-Apple:_The_Inside_Story-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 169">: 169 </span></sup> Pink was spun off into <a href="/wiki/Taligent,_Inc" class="mw-redirect" title="Taligent, Inc">Taligent, Inc</a> in 1992 within the <a href="/wiki/AIM_alliance" title="AIM alliance">AIM alliance</a> with <a href="/wiki/IBM" title="IBM">IBM</a>.<sup id="cite_ref-Apple:_The_Inside_Story_3-4" class="reference"><a href="#cite_note-Apple:_The_Inside_Story-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 167">: 167 </span></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=2" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Changes">Changes</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=3" title="Edit section: Changes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As intended with the Blue and Pink model, improvements in System 7 are significant but incremental. </p> <ul><li>A new Sound Manager <a href="/wiki/API" title="API">API</a>, version 2.0, replaces the older <i><a href="/wiki/Ad_hoc" title="Ad hoc">ad hoc</a></i> APIs. The new APIs provided significantly improved <a href="/wiki/Hardware_abstraction" title="Hardware abstraction">hardware abstraction</a> and higher-quality playback.</li> <li>32-bit <a href="/wiki/QuickDraw" title="QuickDraw">QuickDraw</a>, supporting so-called "true color" imaging, is standard; it was previously available as a system extension.</li> <li>System 7 allows a 32-bit program address space. This expanded the memory addressing capabilities from the previous 24-bit address space and increased the system memory limit from 8MB to 4GB.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></li> <li>System 7 makes MultiFinder's <a href="/wiki/Cooperative_multitasking" title="Cooperative multitasking">cooperative multitasking</a> mandatory.</li> <li>Trash became a normal directory allowing items to be preserved between reboots and disk eject events instead of being purged.</li> <li><a href="/wiki/Extension_(Mac_OS)" title="Extension (Mac OS)">System extensions</a> are relocated to their own subfolder rather than in the root level of the <a href="/wiki/System_folder" title="System folder">System Folder</a> as in System 6. They can be installed or removed simply by moving these "extensions" to or from the folder and then rebooting the computer.</li> <li>Similarly, the <a href="/wiki/Control_panel_(Mac_OS)" class="mw-redirect" title="Control panel (Mac OS)">Control Panel</a> <a href="/wiki/Desk_accessory" title="Desk accessory">desk accessory</a> becomes the Control Panels folder. The control panels themselves are separate files stored within this directory.</li> <li>Under System 6, the Apple Menu contains both a list of desk accessories and a list of running programs under MultiFinder. In System 7 the list of active programs is relocated to its own Application Menu.</li> <li>System 7.1 introduces System Enablers, small extensions that are loaded at startup to support Macintosh models introduced since the last OS revision.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup></li> <li>Cannot run on <a href="/wiki/Macintosh_512Ke" title="Macintosh 512Ke">Macintosh 512Ke</a>.</li></ul> <div class="mw-heading mw-heading3"><h3 id="New_features">New features</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=4" title="Edit section: New features"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Personal <a href="/wiki/File_Sharing" class="mw-redirect" title="File Sharing">File Sharing</a> – along with <a href="/wiki/User_interface" title="User interface">user interface</a> improvements for <a href="/wiki/AppleTalk" title="AppleTalk">AppleTalk</a>, System 7 includes a basic file-sharing server allowing any machine to publish folders to the AppleTalk network.</li> <li><a href="/wiki/Alias_(Mac_OS)" title="Alias (Mac OS)">Aliases</a> – small files that represent another object in the <a href="/wiki/File_system" title="File system">file system</a>. Similar in concept to <a href="/wiki/Unix" title="Unix">Unix</a> <a href="/wiki/Symbolic_link" title="Symbolic link">symbolic links</a> and <a href="/wiki/Shortcut_(computing)#Microsoft_Windows" title="Shortcut (computing)">Windows shortcuts</a>, an alias in System 7 acts as a redirect to any object in the file system, such as a <a href="/wiki/Document" title="Document">document</a>, an <a href="/wiki/Application_software" title="Application software">application</a>, a <a href="/wiki/Folder_(computing)" class="mw-redirect" title="Folder (computing)">folder</a>, a <a href="/wiki/Hard_disk" class="mw-redirect" title="Hard disk">hard disk</a>, a <a href="/wiki/Network_share" class="mw-redirect" title="Network share">network share</a> or removable medium or a <a href="/wiki/Printer_(computing)" title="Printer (computing)">printer</a>.</li> <li><a href="/wiki/Drag_and_drop" title="Drag and drop">Drag and drop</a> – document icons can be dragged with the mouse and "dropped" onto application icons to open in the targeted application. System 7.5's Drag Manager expanded the concept system-wide to include multiple data types such as text or audio data.</li> <li><i>Stationery</i>, allowing users to save often-used document styles as a <a href="/wiki/Template_(file_format)" title="Template (file format)">template</a>. "Stationery-aware" applications create a new, untitled file containing the template data.</li> <li><a href="/wiki/Balloon_Help" class="mw-redirect" title="Balloon Help">Balloon Help</a>, a widget-identification system similar to <a href="/wiki/Tooltip" title="Tooltip">tooltips</a>.</li> <li><a href="/wiki/AppleScript" title="AppleScript">AppleScript</a>, a <a href="/wiki/Scripting_language" title="Scripting language">scripting language</a> for automating tasks.</li> <li><a href="/wiki/AppleEvents" class="mw-redirect" title="AppleEvents">AppleEvents</a>, a new <a href="/wiki/Interprocess_communication" class="mw-redirect" title="Interprocess communication">interprocess communication</a> model for "high-level" events to be sent to applications including support for AppleEvents over an AppleTalk network.</li> <li><a href="/wiki/Publish_and_Subscribe_(Mac_OS)" title="Publish and Subscribe (Mac OS)">Publish and Subscribe</a> permits data "published" by one application to be imported by another.</li> <li><a href="/wiki/TrueType" title="TrueType">TrueType</a> outline fonts, replacing bitmapped fonts and outline <a href="/wiki/PostScript" title="PostScript">PostScript</a> printer fonts. TrueType for the first time offers a single font format that scales to any size on screen and on paper.</li> <li>A newly colorized <a href="/wiki/User_interface" title="User interface">user interface</a>, for machines that support color.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Installation">Installation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=5" title="Edit section: Installation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>After initial publication on a set of 15 floppy disks, System 7 became the first Apple operating system to be released on a <a href="/wiki/Compact_disc" title="Compact disc">compact disc</a>. Unlike earlier systems, System 7 did not come bundled with major software packages. Newly purchased <a href="/wiki/Mac_(computer)" title="Mac (computer)">Macintosh</a> computers had System 7 installed and were often bundled with software such as <a href="/wiki/HyperCard" title="HyperCard">HyperCard</a>, <a href="/wiki/At_Ease" title="At Ease">At Ease</a> and <i><a href="/wiki/Mouse_Practice" title="Mouse Practice">Mouse Practice</a></i>. Later, the <a href="/wiki/Macintosh_Performa" title="Macintosh Performa">Macintosh Performa</a> family added various <a href="/wiki/Software_bundles" class="mw-redirect" title="Software bundles">software bundles</a> including <a href="/wiki/ClarisWorks" class="mw-redirect" title="ClarisWorks">ClarisWorks</a>, <a href="/wiki/The_New_Grolier_Multimedia_Encyclopedia" class="mw-redirect" title="The New Grolier Multimedia Encyclopedia">The New Grolier Multimedia Encyclopedia</a>, <a href="/wiki/Microsoft_Bookshelf" title="Microsoft Bookshelf">Microsoft Bookshelf</a>, <i><a href="/wiki/Spectre_VR" class="mw-redirect" title="Spectre VR">Spectre VR</a></i> and <i><a href="/wiki/Power_Pete" title="Power Pete">Power Pete</a></i>. Since System 7 was introduced before the Internet came to popular usage, software such as <a href="/wiki/MacTCP" title="MacTCP">MacTCP</a>, <a href="/wiki/FreePPP" title="FreePPP">FreePPP</a>, and <a href="/wiki/Netscape" title="Netscape">Netscape</a> were not included. They later became available on disk from <a href="/wiki/Internet_service_provider" title="Internet service provider">Internet service providers</a> and bundled with books such as <a href="/wiki/Adam_C._Engst" title="Adam C. Engst">Adam C. Engst</a>'s Internet Starter Kit for Macintosh. <a href="/wiki/Power_Macintosh" title="Power Macintosh">Power Macintosh</a> machines also included <a href="/wiki/NuCalc" title="NuCalc">NuCalc</a>, a graphing calculator. System 7 includes <a href="/wiki/AppleTalk" title="AppleTalk">AppleTalk</a> networking and file-sharing software in the form of system extensions and control panels. </p><p>The basic utilities installed by default with System 7 include <a href="/wiki/TeachText" title="TeachText">TeachText</a> (which was replaced by <a href="/wiki/SimpleText" title="SimpleText">SimpleText</a> in later versions) for basic text editing tasks and reading <a href="/wiki/README" title="README">readme</a> documents. Also available on the additional "Disk Tools" <a href="/wiki/Floppy_disk" title="Floppy disk">floppy disk</a> are <a href="/wiki/Disk_First_Aid" title="Disk First Aid">Disk First Aid</a> for disk repair and <a href="/wiki/Apple_HD_SC_Setup" title="Apple HD SC Setup">Apple HD SC Setup</a> for initializing and partitioning disks. </p><p>Later versions of System 7, specifically System 7.5 and Mac OS 7.6, come with dedicated "Utilities" and "Apple Extras" folders including: <a href="/wiki/AppleScript" title="AppleScript">AppleScript</a>, <a href="/wiki/Apple_Disk_Copy" class="mw-redirect" title="Apple Disk Copy">Disk Copy</a>, <a href="/wiki/QuickDraw_GX" title="QuickDraw GX">QuickDraw GX</a> Extras and <a href="/wiki/QuickTime" title="QuickTime">QuickTime</a> Movie Player. More optional extras and utilities can be manually installed from the System CD. </p> <div class="mw-heading mw-heading3"><h3 id="Transition_to_PowerPC">Transition to PowerPC</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=6" title="Edit section: Transition to PowerPC"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>System 7.1.2 is the first version of the Macintosh System Software to support Apple's new <a href="/wiki/PowerPC" title="PowerPC">PowerPC</a>-based computers. 68k applications that had not yet been updated to run natively on these systems were <a href="/wiki/Emulator" title="Emulator">emulated</a> transparently (without the user having to intervene) by a built-in <a href="/wiki/Mac_68k_emulator" title="Mac 68k emulator">68k processor emulator</a>. <a href="/wiki/Fat_binary" title="Fat binary">Fat binaries</a>, which contained the code necessary to run natively on both PowerPC and 68k systems, became common during this time. This process was similar to the distribution of <a href="/wiki/Universal_binary" title="Universal binary">universal binaries</a> during the <a href="/wiki/Mac_transition_to_Intel_processors" title="Mac transition to Intel processors">Mac transition to Intel processors</a> in 2006, as well as the <a href="/wiki/Mac_transition_to_Apple_silicon" title="Mac transition to Apple silicon">Mac transition to Apple silicon</a> beginning in 2020. </p><p>System 7.1.2 is the only release of the Macintosh operating system that boots stating "Welcome to Power Macintosh." Release 7.1.2P reverts this.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="PC_compatibility">PC compatibility</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=7" title="Edit section: PC compatibility"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>System 7.0 and 7.1 have a utility called <a href="/wiki/Apple_File_Exchange" title="Apple File Exchange">Apple File Exchange</a>, which accesses the contents of <a href="/wiki/File_Allocation_Table" title="File Allocation Table">FAT</a>- and <a href="/wiki/Apple_II" title="Apple II">Apple II</a>-formatted floppy disks. Since System 7 Pro, <a href="/wiki/PC_Exchange" title="PC Exchange">PC Exchange</a> is included, which allows the system to mount FAT-formatted <a href="/wiki/Floppy_disk" title="Floppy disk">floppy disks</a> on the desktop like Macintosh disks. <a href="/wiki/OS/2" title="OS/2">OS/2</a> disks can use the FAT file system. Macs can read and write UNIX file systems using extra software. System 7 accesses PC networks and uses TCP/IP and other compatible networking stacks. </p> <div class="mw-heading mw-heading3"><h3 id="Miscellaneous">Miscellaneous</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=8" title="Edit section: Miscellaneous"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>System 7 had a larger memory footprint than System 6. System 6 could boot the system from a single 800k <a href="/wiki/Floppy_disk" title="Floppy disk">floppy disk</a> and uses about <span class="nowrap">600 <a href="/wiki/Kilobyte" title="Kilobyte">KB</a></span> of <a href="/wiki/Random-access_memory" title="Random-access memory">RAM</a>, whereas System 7 used well over one <a href="/wiki/Megabyte" title="Megabyte">megabyte</a>. It was some time before the average Mac shipped with enough RAM built-in for System 7 to be truly comfortable. System 7 was the first system release that could no longer be usefully run on floppy-only systems. Although most Macintosh models sold at the time included a hard disk as standard equipment, owners of older models were required to upgrade their hardware by buying either a new Mac or an external <a href="/wiki/SCSI" title="SCSI">SCSI</a> hard disk drive if they wished to run System 7. </p><p>The official system documentation, <i><a href="/wiki/Inside_Macintosh" title="Inside Macintosh">Inside Macintosh</a></i>, initially shipped in three volumes, with another added to describe the changes introduced with the <a href="/wiki/Mac_Plus" class="mw-redirect" title="Mac Plus">Mac Plus</a>,<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> and another for the <a href="/wiki/Mac_II" class="mw-redirect" title="Mac II">Mac II</a> and <a href="/wiki/Mac_SE" class="mw-redirect" title="Mac SE">Mac SE</a>.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>System 7's virtual memory requires a Macintosh with a paged <a href="/wiki/Memory_management_unit" title="Memory management unit">memory management unit</a> (PMMU). The Motorola 68030 CPU has one, or one can be added to a 68020-equipped <a href="/wiki/Macintosh_II" title="Macintosh II">Macintosh II</a>. </p><p>System 7.0 was adopted quite rapidly by Mac users and quickly became one of the base requirements for new software. </p><p>The engineering group within Apple responsible for System 7 came to be known as the "<a href="/wiki/Blue_Meanies_(Apple_Computer)" title="Blue Meanies (Apple Computer)">Blue Meanies</a>", named after the blue <a href="/wiki/Index_card" title="Index card">index cards</a> on which were written the features that could be implemented in a relatively short time as part of Apple's operating system strategy. </p><p>The pink index card features were handled by the Pink group, later becoming the ill-fated <a href="/wiki/Taligent" title="Taligent">Taligent</a> project.<sup id="cite_ref-bluemeanieseastereggs_7-1" class="reference"><a href="#cite_note-bluemeanieseastereggs-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p><p>System 7.0 is the last version of the Macintosh operating system that was available at no charge and could be freely redistributed. Although System 7 could be purchased from Apple, the cost was nominal and considered to only cover duplication and media. It was common for Macintosh dealers to allow customers to use the store's demo machines to copy System 7 install disks for the cost of a box of floppies.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> CD-ROM magazines such as <i>Nautilus</i> included System 7 on their disks. After Mac users downloaded thousands of copies of System 7 from online services such as <a href="/wiki/AOL" title="AOL">AOL</a>, <a href="/wiki/CompuServe" title="CompuServe">CompuServe</a>, and <a href="/wiki/GEnie" title="GEnie">GEnie</a>, Apple surveyed the services and based on this popularity started selling the Mac OS as a retail product with System 7.1. Apple continued charging for major operating system upgrades until the release of <a href="/wiki/OS_X_Mavericks" title="OS X Mavericks">OS X Mavericks</a> in 2013. </p> <div class="mw-heading mw-heading2"><h2 id="Version_history">Version history</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=9" title="Edit section: Version history"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Soon after the initial release of System 7, the 7.0.1 minor update was released in October 1991, which updated the Portable and Brightness control panels, added the Caps Lock extension - which showed an up-pointing arrow on screen if the Caps Lock key was depressed on PowerBooks - and added the Cache Switch control panel in addition to RAM disk and sound management optimizations for <a href="/wiki/Motorola_68040" title="Motorola 68040">68040</a> systems. Three small patches called "System 7 Tune-Up" also followed, which initially added the extension "System 7 Tuner" that improved memory management by quitting unused items, like applications and <a href="/wiki/AppleTalk" title="AppleTalk">AppleTalk</a>, and added "minimum" and "preferred" memory allotments to an application's "Get Info" box in its 1.0 version.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> This would be followed by version 1.1, which included <a href="/wiki/LaserWriter" title="LaserWriter">LaserWriter</a> driver version 7.1.1 and added a hidden extension called "Tuna Helper", intended to fix the "disappearing files" bug in which the system would lose files.<sup id="cite_ref-15" class="reference"><a href="#cite_note-15"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> The final release, 1.1.1, included everything 1.1 included but also added the <a href="/wiki/StyleWriter" title="StyleWriter">StyleWriter</a> 7.2.2 printer drivers, <a href="/wiki/Chooser_(Mac_OS)" title="Chooser (Mac OS)">Chooser</a> 7.1 and a minor update to Tuna Helper.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-17" class="reference"><a href="#cite_note-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="System_7.1">System 7.1</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=10" title="Edit section: System 7.1"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In August 1992, the 7.1 update was released. This is the first version of the system software that Apple charged money for. Of this change, <a href="/wiki/David_Pogue" title="David Pogue">David Pogue</a> wrote:<sup id="cite_ref-system-software-museum_18-0" class="reference"><a href="#cite_note-system-software-museum-18"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 225">: 225 </span></sup> </p> <style data-mw-deduplicate="TemplateStyles:r1244412712">.mw-parser-output .templatequote{overflow:hidden;margin:1em 0;padding:0 32px}.mw-parser-output .templatequotecite{line-height:1.5em;text-align:left;margin-top:0}@media(min-width:500px){.mw-parser-output .templatequotecite{padding-left:1.6em}}</style><blockquote class="templatequote"><p>System 7.1 was remarkable for another reason, too: It was the first system software update Apple didn't give away. You had to buy it, much to the fury of user groups and online services that had gotten used to making each new system release available to everybody. Backing down in the face of the protests, Apple eventually offered the System 7.1 upgrade kit to user-group and online service members for less than $30. But the writing was on the wall: Apple was jealous of Microsoft, a system-software superstore to the world. Many wondered if the upgrade was even worth it. System 7.1 incorporated a huge number of changes, but the vast majority were deep-seated, core-level rewrites that added no usefulness to standard American Mac users.</p><div class="templatequotecite">— <cite>David Pogue, <i>MacWorld</i> <i>Macintosh Secrets</i>, 4th edition</cite></div></blockquote> <p>New to 7.1 is the Fonts folder.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> This replaced the often time-consuming method of dragging fonts to and from the System file, introduced in System 7.0; it also replaced the <a href="/wiki/Font/DA_Mover" class="mw-redirect" title="Font/DA Mover">Font/DA Mover</a> application from System 6, which could also be used with 7.0. System 7.1 also included a lot of internal changes to support the internationalization of dates, times, and numbers. It was also the first version to support "Enablers", which removed the requirement to release a new version of the system software every time new hardware was released. </p><p>A set of specialized versions of 7.1, ranging from 7.1P1 to 7.1P6 (excluding 7.1P4) were created and included with various <a href="/wiki/Macintosh_Performa" title="Macintosh Performa">Performa</a> models that were already available or were released after 7.1. These specialized versions included <a href="/wiki/At_Ease" title="At Ease">At Ease</a>, Launcher, and some other changes that were integrated into later versions of the system software. </p><p>The first major upgrade was System 7.1.1, also known as "System 7 Pro". This release was a bundle of 7.1 with AppleScript tools, <a href="/wiki/QuickTime" title="QuickTime">QuickTime</a> and <a href="/wiki/Apple_Open_Collaboration_Environment" title="Apple Open Collaboration Environment">Apple Open Collaboration Environment</a> (AOCE). While System 7 had some trouble running on slightly older machines due to its memory footprint, System 7 Pro barely fit into any Macintosh computers of the time. It was most commonly used for its minor bug fixes rather than its new functionality. </p><p>Apple co-founded the <a href="/wiki/AIM_alliance" title="AIM alliance">AIM alliance</a> (Apple, IBM, and Motorola) in 1992, shortly after the release of System 7 in 1991, and started developing <a href="/wiki/PowerPC" title="PowerPC">PowerPC</a>-based machines that later became the <a href="/wiki/Power_Macintosh" title="Power Macintosh">Power Macintosh</a> family. Support for these machines resulted in System 7.1.2. </p><p>System 7.1.2 was never offered for retail sale; it shipped with the first batches of the PowerPC Macs and a 68k version shipped with a small number of Quadra 600 series systems. Later shipments shipped with System 7.5 instead. </p><p>System 7.1.2P was the same as 7.1.2 and shipped with the <a href="/wiki/Macintosh_Quadra_630" title="Macintosh Quadra 630">Performa 630, LC 630, and Quadra 630</a> models that were released between July and November 1994. </p> <div class="mw-heading mw-heading3"><h3 id="System_7.5">System 7.5</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=11" title="Edit section: System 7.5"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>On September 12, 1994, <b>System 7.5</b> was released with bug fixes from previous updates and several new features: </p> <ul><li>An updated startup screen with a progress bar</li> <li>A new interactive help system called <a href="/wiki/Apple_Guide" class="mw-redirect" title="Apple Guide">Apple Guide</a></li> <li>A clock in the menu bar (from the third-party freeware control panel SuperClock!)</li> <li>An Apple menu item called <a href="/wiki/Stickies_(software)" class="mw-redirect" title="Stickies (software)">Stickies</a> (formerly a third-party application called "PasteIt Notes"), which provided virtual <a href="/wiki/Post-It_Note" class="mw-redirect" title="Post-It Note">Post-It Notes</a></li> <li><a href="/wiki/WindowShade" title="WindowShade">WindowShade</a>, another former third-party shareware control panel, provided the ability to condense a window down to its title bar. It was introduced as a "minimize" feature to compete with Windows 95 as Mac OS had no taskbar or dock.</li> <li><a href="/wiki/MacTCP" title="MacTCP">MacTCP</a> was bundled, enabling any Macintosh to connect to the <a href="/wiki/Internet" title="Internet">Internet</a> out of the box for the first time.</li> <li>The <a href="/wiki/Control_Strip" title="Control Strip">Control Strip</a> (a fast way to change the system volume, control the playback of audio CDs, manage file sharing and printers, and change the monitor resolution and color depth) was enabled on desktop Macintosh models for the first time. It had previously only been included with the PowerBook series.</li> <li>A new Desktop Patterns control panel allowed for tiled patterns up to 128x128 pixels with 8-bit color; previous versions were limited to 8x8 pixel tiles with a maximum of eight possible colors. Similar functionality was found on earlier system versions exclusive to <a href="/wiki/Macintosh_Performa" title="Macintosh Performa">Performa</a> models and was housed in the General Controls panel.</li> <li>The Extensions Manager (enabling the user to turn extensions and control panels on and off; also based on a formerly third-party control panel)</li> <li><a href="/wiki/Apple_Open_Collaboration_Environment" title="Apple Open Collaboration Environment">PowerTalk</a>, a system-level email handling service and the originator of the <a href="/wiki/Keychain_(software)" title="Keychain (software)">Keychain</a> system.</li> <li>The Launcher, a <a href="/wiki/Control_panel_(Mac_OS)" class="mw-redirect" title="Control panel (Mac OS)">control panel</a> containing shortcut buttons for frequently used programs (in a manner akin to the <a href="/wiki/MacOS" title="MacOS">macOS</a> <a href="/wiki/Dock_(macOS)" title="Dock (macOS)">Dock</a>)</li> <li>A hierarchical Apple menu (folders within the Apple Menu Items folder would expand into submenus showing their contents. Again, based on a third party control panel; HAM by Microseeds publishing<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup>)</li> <li>System-wide drag & drop for text and other data (selections can be simply dragged with the mouse and dropped to their new destination, bypassing the clipboard)</li> <li>A scriptable Finder</li> <li><a href="/wiki/QuickDraw_GX" title="QuickDraw GX">QuickDraw GX</a>, a 2-D graphics rendering and geometry engine</li> <li>For the PowerPC only, an advanced, 3d <a href="/wiki/NuCalc" title="NuCalc">Graphing Calculator</a>, secretly developed at Apple by a former third party contractor<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup></li> <li>Support for <a href="/wiki/OpenDoc" title="OpenDoc">OpenDoc</a></li></ul> <p>System 7.5 is codenamed "Capone", a reference to <a href="/wiki/Al_Capone" title="Al Capone">Al Capone</a> and "Chicago", which is the codename for Microsoft's <a href="/wiki/Windows_95" title="Windows 95">Windows 95</a> and is also the name of the default system font in Mac OS until version 8.<sup id="cite_ref-Apple_Confidential_22-0" class="reference"><a href="#cite_note-Apple_Confidential-22"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 56">: 56 </span></sup> </p><p>System 7.5.1 is primarily a bug fix of 7.5 but also introduced a new "Mac OS" startup screen in preparation for <a href="/wiki/Macintosh_clone" title="Macintosh clone">Mac clones</a>. </p><p>System 7.5.2, released only for the first <a href="/wiki/Peripheral_Component_Interconnect" title="Peripheral Component Interconnect">PCI</a>-based Power Macs, introduced Apple's new networking architecture, <a href="/wiki/Open_Transport" title="Open Transport">Open Transport</a>. </p><p>System 7.5.3 is a major bug-fix update that also included <a href="/wiki/Open_Transport" title="Open Transport">Open Transport</a> for other PowerPC-based machines and some 68k-based machines. 7.5.3 improved the 68k emulator, and added translucent dragging to the Drag Manager. It included the first version of <a href="/wiki/Control_Strip" title="Control Strip">Control Strip</a> to be compatible with all Macs. This was the first version of Mac OS to support <a href="/wiki/Symmetric_multiprocessing" title="Symmetric multiprocessing">SMP</a> (9500/MP). </p><p>System 7.5.3 Revision 2 included performance enhancements; better reliability for PowerBooks using the third-party RAM Doubler program; improved reliability for PowerBook 500, 2300, and 5300 series computers with the PowerPC Upgrade Card; improved reliability when using the Startup Disk control panel; and improved reliability when copying files to 1  GB hard disks. </p><p>System 7.5.3 Revision 2.1 was shipped with the <a href="/wiki/Macintosh_Performa" title="Macintosh Performa">Performa</a> 6400/180 and 6400/200; this particular release is specific to these machines as there was stability problems with System 7.5.3 Release 2 on the new hardware, especially with the video card and transferring files over LocalTalk.<sup id="cite_ref-system-software-museum_18-1" class="reference"><a href="#cite_note-system-software-museum-18"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page: 235">: 235 </span></sup> </p><p>System 7.5.4 was pulled due to a mistake at Apple, in which some components were not included in the installer. </p><p>System 7.5.5 included significant performance improvements for virtual memory and memory management on PowerPC-based Macs, including the elimination of one type 11 error.<sup class="noprint Inline-Template" style="margin-left:0.1em; white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Please_clarify" title="Wikipedia:Please clarify"><span title="The text near this tag may need clarification or removal of jargon. (January 2023)">clarification needed</span></a></i>]</sup> Also included are several reliability improvements, such as fixes for Macs using floppy disks equipped with a DOS compatibility card, improved hard disk access for PowerPC PowerBooks and Performa 5400 through 9500 computers, fixes for Macs that included an Apple TV Tuner or Macintosh TV Remote Control, improvements to LocalTalk and networking (especially for the Performa 5400 and 6400), fixes to system startup for the faster 180  MHz Macs (which included PowerPC 604 or 604e processors), improved reliability when using sound-intensive applications on Quadra or Centris computers that contained the PowerPC upgrade card, and improved stability when using multiple background applications and shared printers on a network. System 7.5.5 is also the last System 7 release that can run on 68000-based Macs such as the Macintosh Plus and Macs with ROMs that lack support for 32-bit addressing such as <a href="/wiki/Macintosh_IIcx" title="Macintosh IIcx">Macintosh IIcx</a>. 7.6 and later required a 68030 processor and 32-bit-addressing-capable ROM and will automatically turn on 32-bit addressing on boot.<sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Mac_OS_7.6">Mac OS 7.6</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=12" title="Edit section: Mac OS 7.6"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mac OS 7.6 (codenamed "Harmony") is the final major update, released in 1997. With 7.6, the operating system was officially called "Mac OS" instead of "System". New features include a revamped Extensions Manager, more native PowerPC code for Power Macs, more bundled Internet tools and utilities, and a more stable Finder with increased memory allocation.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> In this version, the <a href="/wiki/Apple_Open_Collaboration_Environment" title="Apple Open Collaboration Environment">PowerTalk</a> feature added in 7.5 was removed due to poor application support, and support for a large number of older Macintosh models was dropped, including those with a Motorola 68000 or 68020. </p><p><b>Mac OS 7.6.1</b> ported the 68k exception handling routines to PowerPC, turning type 11 errors into less harmful errors (type 1, 2, or 3, usually) as crashing applications would more often terminate safely instead of crashing the operating system.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p>Through this period, Apple had been attempting to release a completely new "modern" operating system, named <a href="/wiki/Copland_(operating_system)" title="Copland (operating system)">Copland</a>. When the Copland project was abandoned in 1996, Apple announced plans to release an OS update every six months until <a href="/wiki/Rhapsody_(operating_system)" title="Rhapsody (operating system)">Rhapsody</a> (which would by 2001 evolve into what was released as <a href="/wiki/MacOS" title="MacOS">Mac OS X</a>) shipped.<sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> Two more releases were shipped, now officially branded as Mac OS: Mac OS 7.6 and the minor bug fix 7.6.1. Future versions were released as <a href="/wiki/Mac_OS_8" title="Mac OS 8">Mac OS 8–8.6</a> and <a href="/wiki/Mac_OS_9" title="Mac OS 9">Mac OS 9–9.2</a>. </p><p>Released during a troubled time in Apple's history, 7.6 is known for several bugs, such as the inability to customize what components are installed to the system<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> and its tendency to crash on some systems when they are shut down while a RAM disk is in use.<sup id="cite_ref-28" class="reference"><a href="#cite_note-28"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Releases">Releases</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=13" title="Edit section: Releases"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable"> <tbody><tr> <th>Version number </th> <th>Release date </th> <th>Computer </th></tr> <tr> <td>7.0 </td> <td>May 13, 1991 </td> <td> </td></tr> <tr> <td>7.0.1 </td> <td>October 21, 1991 </td> <td><a href="/wiki/Macintosh_Quadra" title="Macintosh Quadra">Macintosh Quadra</a> 700/900/950<br /><a href="/wiki/Macintosh_Classic_II" title="Macintosh Classic II">Macintosh Classic II</a><br /><a href="/wiki/PowerBook_100" title="PowerBook 100">PowerBook 100</a><br /><a href="/wiki/PowerBook_140" title="PowerBook 140">PowerBook 140</a><br /><a href="/wiki/PowerBook_170" title="PowerBook 170">PowerBook 170</a> and some others </td></tr> <tr> <td>7.1 </td> <td>August 28, 1992 </td> <td><a href="/wiki/Macintosh_IIvx" title="Macintosh IIvx">Macintosh IIvx</a><br /><a href="/wiki/PowerBook_180" title="PowerBook 180">PowerBook 180</a><br /><a href="/wiki/Macintosh_IIvi" title="Macintosh IIvi">Macintosh IIvi</a> </td></tr> <tr> <td>7.0.1P </td> <td>September 14, 1992 </td> <td><a href="/wiki/Macintosh_Performa_200" class="mw-redirect" title="Macintosh Performa 200">Macintosh Performa 200</a><br /><a href="/wiki/Macintosh_Performa_400" class="mw-redirect" title="Macintosh Performa 400">Macintosh Performa 400</a> </td></tr> <tr> <td>7.1P </td> <td>October 19, 1992 </td> <td><a href="/wiki/Macintosh_Performa_600" class="mw-redirect" title="Macintosh Performa 600">Macintosh Performa 600</a> </td></tr> <tr> <td>7.1P2 </td> <td>April 12, 1993 </td> <td><a href="/wiki/Macintosh_Performa_405" class="mw-redirect" title="Macintosh Performa 405">Macintosh Performa 405</a><br /><a href="/wiki/Macintosh_Performa_430" class="mw-redirect" title="Macintosh Performa 430">Macintosh Performa 430</a><br /><a href="/wiki/Macintosh_Performa_450" class="mw-redirect" title="Macintosh Performa 450">Macintosh Performa 450</a> </td></tr> <tr> <td>7.1P3 </td> <td>October 18, 1993 </td> <td><a href="/wiki/Macintosh_Performa_410" class="mw-redirect" title="Macintosh Performa 410">Macintosh Performa 410</a>/460/475/550 </td></tr> <tr> <td>7.1.1 (Pro) </td> <td rowspan="2">October 21, 1993 </td> <td> </td></tr> <tr> <td>7.1.1 </td> <td><a href="/wiki/PowerBook_Duo" title="PowerBook Duo">PowerBook Duo</a> 250/270c<br /><a href="/wiki/PowerBook" title="PowerBook">PowerBook</a> 520/540 </td></tr> <tr> <td>7.1P5 </td> <td>December 1, 1993 </td> <td><a href="/wiki/Macintosh_Performa_560" class="mw-redirect" title="Macintosh Performa 560">Macintosh Performa 560</a> </td></tr> <tr> <td>7.1P6 </td> <td>February 1, 1994 </td> <td><a href="/wiki/Macintosh_Performa_575" class="mw-redirect" title="Macintosh Performa 575">Macintosh Performa 575</a> </td></tr> <tr> <td>7.1.2 </td> <td>March 14, 1994 </td> <td><a href="/wiki/Power_Macintosh_6100" title="Power Macintosh 6100">Power Macintosh 6100</a><br /><a href="/wiki/Power_Macintosh_7100" title="Power Macintosh 7100">Power Macintosh 7100</a><br /><a href="/wiki/Power_Macintosh_8100" title="Power Macintosh 8100">Power Macintosh 8100</a> </td></tr> <tr> <td>7.1.2P </td> <td>July 18, 1994 </td> <td><a href="/wiki/Macintosh_Quadra_630" title="Macintosh Quadra 630">Quadra 630</a> </td></tr> <tr> <td>7.5 </td> <td>September 12, 1994 </td> <td><a href="/wiki/Macintosh_LC" title="Macintosh LC">Macintosh LC</a> 580 </td></tr> <tr> <td>7.5.1 </td> <td>March 23, 1995 </td> <td><a href="/wiki/Power_Macintosh_6200" title="Power Macintosh 6200">Power Macintosh 6200</a> </td></tr> <tr> <td>7.5.2 </td> <td>June 19, 1995 </td> <td><a href="/wiki/Power_Macintosh_9500" title="Power Macintosh 9500">Power Macintosh 9500</a> </td></tr> <tr> <td>7.5.3 </td> <td>January 1, 1996 </td> <td><a href="/wiki/Power_Macintosh_5400" title="Power Macintosh 5400">Power Macintosh 5400</a> </td></tr> <tr> <td>7.5.3 Revision 2 </td> <td>May 1, 1996 </td> <td> </td></tr> <tr> <td>7.5.3 Revision 2.1 </td> <td rowspan="2">August 7, 1996 </td> <td><a href="/wiki/Power_Macintosh_6400" title="Power Macintosh 6400">Performa 6400</a> </td></tr> <tr> <td>7.5.3 Revision 2.2 </td> <td><a href="/wiki/Power_Macintosh_9500/200" class="mw-redirect" title="Power Macintosh 9500/200">Power Macintosh 9500/200</a><br /><a href="/wiki/Performa_6360" class="mw-redirect" title="Performa 6360">Performa 6360</a> </td></tr> <tr> <td>7.5.5 </td> <td>September 27, 1996 </td> <td><a href="/wiki/Power_Macintosh_5500" title="Power Macintosh 5500">Power Macintosh 5500</a> </td></tr> <tr> <td>7.6 </td> <td>January 7, 1997 </td> <td><a href="/wiki/PowerBook_3400c" title="PowerBook 3400c">PowerBook 3400c</a> </td></tr> <tr> <td>7.6.1 </td> <td>April 7, 1997 </td> <td><a href="/wiki/PowerBook_2400c" title="PowerBook 2400c">PowerBook 2400c</a><br /><a href="/wiki/Twentieth_Anniversary_Macintosh" title="Twentieth Anniversary Macintosh">Twentieth Anniversary Macintosh</a> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="Timeline">Timeline</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=14" title="Edit section: Timeline"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="width:100%;overflow:auto"> <table class="wikitable"> <tbody><tr> <th>Timeline of Mac operating systems <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Timeline_of_Mac_operating_systems" title="Template:Timeline of Mac operating systems"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Timeline_of_Mac_operating_systems" title="Template talk:Timeline of Mac operating systems"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Timeline_of_Mac_operating_systems" title="Special:EditPage/Template:Timeline of Mac operating systems"><abbr title="Edit this template">e</abbr></a></li></ul></div> </th></tr> <tr> <td><div class="timeline-wrapper"><map name="timeline_ljv3zxcxkdke34amiq1dgo9rp6vzap1"><area shape="rect" href="/wiki/ARM_architecture_family" coords="1005,187,1058,208" title="ARM architecture family" alt="ARM architecture family" /><area shape="rect" href="/wiki/x86" coords="599,187,651,208" title="x86" alt="x86" /><area shape="rect" href="/wiki/PowerPC" coords="274,187,349,208" title="PowerPC" alt="PowerPC" /><area shape="rect" href="/wiki/68k" coords="-4,187,47,208" title="68k" alt="68k" /><area shape="rect" href="/wiki/MacBook_Air_(Apple_silicon)" coords="1005,167,1097,188" title="MacBook Air (Apple silicon)" alt="MacBook Air (Apple silicon)" /><area shape="rect" href="/wiki/iMac_Pro" coords="926,167,1006,188" title="iMac Pro" alt="iMac Pro" 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href="/wiki/Macintosh_Portable" coords="161,167,241,188" title="Macintosh Portable" alt="Macintosh Portable" /><area shape="rect" href="/wiki/Macintosh_SE/30" coords="133,167,197,188" title="Macintosh SE/30" alt="Macintosh SE/30" /><area shape="rect" href="/wiki/Macintosh_II" coords="81,167,151,188" title="Macintosh II" alt="Macintosh II" /><area shape="rect" href="/wiki/Macintosh_Plus" coords="51,167,109,188" title="Macintosh Plus" alt="Macintosh Plus" /><area shape="rect" href="/wiki/Macintosh_128K" coords="-4,167,81,188" title="Macintosh 128K" alt="Macintosh 128K" /><area shape="rect" href="/wiki/macOS_Sequoia" coords="1111,108,1214,129" title="macOS Sequoia" alt="macOS Sequoia" /><area shape="rect" href="/wiki/macOS_Sonoma" coords="1084,88,1182,109" title="macOS Sonoma" alt="macOS Sonoma" /><area shape="rect" href="/wiki/macOS_Ventura" coords="1059,147,1162,168" title="macOS Ventura" alt="macOS Ventura" /><area shape="rect" href="/wiki/macOS_Monterey" coords="1032,128,1140,148" title="macOS Monterey" alt="macOS Monterey" /><area shape="rect" href="/wiki/macOS_Big_Sur" coords="1006,108,1108,129" title="macOS Big Sur" alt="macOS Big Sur" /><area shape="rect" href="/wiki/macOS_Catalina" coords="975,88,1089,109" title="macOS Catalina" alt="macOS Catalina" /><area shape="rect" href="/wiki/macOS_Mojave" coords="947,147,1050,168" title="macOS Mojave" alt="macOS Mojave" /><area shape="rect" href="/wiki/macOS_High_Sierra" coords="920,128,1050,148" title="macOS High Sierra" alt="macOS High Sierra" /><area shape="rect" href="/wiki/macOS_Sierra" coords="892,108,995,129" title="macOS Sierra" alt="macOS Sierra" /><area shape="rect" href="/wiki/OS_X_El_Capitan" coords="865,88,990,109" title="OS X El Capitan" alt="OS X El Capitan" /><area shape="rect" href="/wiki/OS_X_Yosemite" coords="839,147,953,168" title="OS X Yosemite" alt="OS X Yosemite" /><area shape="rect" href="/wiki/OS_X_Mavericks" coords="812,128,926,148" title="OS X Mavericks" alt="OS X Mavericks" /><area 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href="/wiki/Mac_OS_X_10.0" coords="467,108,570,129" title="Mac OS X 10.0" alt="Mac OS X 10.0" /><area shape="rect" href="/wiki/Mac_OS_X_Server_1.0" coords="411,88,514,109" title="Mac OS X Server 1.0" alt="Mac OS X Server 1.0" /><area shape="rect" href="/wiki/Mac_OS_X_Public_Beta" coords="453,108,500,129" title="Mac OS X Public Beta" alt="Mac OS X Public Beta" /><area shape="rect" href="/wiki/A/UX" coords="222,68,264,89" title="A/UX" alt="A/UX" /><area shape="rect" href="/wiki/A/UX" coords="171,68,213,89" title="A/UX" alt="A/UX" /><area shape="rect" href="/wiki/A/UX" coords="108,68,177,89" title="A/UX" alt="A/UX" /><area shape="rect" href="/wiki/MacWorks_XL" coords="171,49,246,69" title="MacWorks XL" alt="MacWorks XL" /><area shape="rect" href="/wiki/MacWorks_XL" coords="121,49,180,69" title="MacWorks XL" alt="MacWorks XL" /><area shape="rect" href="/wiki/Sun_Remarketing" coords="50,49,120,69" title="Sun Remarketing" alt="Sun Remarketing" /><area shape="rect" href="/wiki/MacWorks_XL" 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coords="231,29,284,49" title="System 7" alt="System 7" /><area shape="rect" href="/wiki/System_7" coords="196,29,238,49" title="System 7" alt="System 7" /><area shape="rect" href="/wiki/System_6" coords="112,29,154,49" title="System 6" alt="System 6" /><area shape="rect" href="/wiki/Classic_Mac_OS" coords="98,29,140,49" title="Classic Mac OS" alt="Classic Mac OS" /><area shape="rect" href="/wiki/Classic_Mac_OS" coords="78,29,120,49" title="Classic Mac OS" alt="Classic Mac OS" /><area shape="rect" href="/wiki/Classic_Mac_OS" coords="51,29,92,49" title="Classic Mac OS" alt="Classic Mac OS" /><area shape="rect" href="/wiki/Classic_Mac_OS" coords="30,29,71,49" title="Classic Mac OS" alt="Classic Mac OS" /><area shape="rect" href="/wiki/System_1" coords="-3,29,55,49" title="System 1" alt="System 1" /><area shape="rect" href="/wiki/Finder_(software)" coords="427,9,480,30" title="Finder (software)" alt="Finder (software)" /><area shape="rect" href="/wiki/Finder_(software)" coords="352,9,405,30" title="Finder (software)" alt="Finder (software)" /><area shape="rect" href="/wiki/Finder_(software)" coords="197,9,249,30" title="Finder (software)" alt="Finder (software)" /><area shape="rect" href="/wiki/Finder_(software)" coords="98,9,151,30" title="Finder (software)" alt="Finder (software)" /><area shape="rect" href="/wiki/Finder_(software)" coords="44,9,96,30" title="Finder (software)" alt="Finder (software)" /><area shape="rect" href="/wiki/Finder_(software)" coords="30,9,83,30" title="Finder (software)" alt="Finder (software)" /><area shape="rect" href="/wiki/Finder_(software)" coords="-3,9,65,30" title="Finder (software)" alt="Finder (software)" /></map><img usemap="#timeline_ljv3zxcxkdke34amiq1dgo9rp6vzap1" src="//upload.wikimedia.org/wikipedia/en/timeline/ljv3zxcxkdke34amiq1dgo9rp6vzap1.png" /></div> </td></tr></tbody></table></div> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=15" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_Apple_operating_systems" title="List of Apple operating systems">List of Apple operating systems</a></li> <li><a href="/wiki/List_of_Macintosh_software" class="mw-redirect" title="List of Macintosh software">List of Macintosh software</a></li> <li><a href="/wiki/Inside_Macintosh" title="Inside Macintosh">Inside Macintosh</a></li> <li><a href="/wiki/Mini_vMac" class="mw-redirect" title="Mini vMac">Mini vMac</a></li> <li><a href="/wiki/Project_Star_Trek" class="mw-redirect" title="Project Star Trek">Project Star Trek</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=16" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-n1-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-n1_4-0">^</a></b></span> <span class="reference-text">Project leaders Erich Ringewald<sup id="cite_ref-Apple:_The_Inside_Story_3-5" class="reference"><a href="#cite_note-Apple:_The_Inside_Story-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 96">: 96 </span></sup> and Mike Potel<sup id="cite_ref-Inside_Taligent_Technology_29-0" class="reference"><a href="#cite_note-Inside_Taligent_Technology-29"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: xiii, 6">: xiii, 6 </span></sup> date the start of Pink as "March 1988" or "early 1988", but <i>Apple Confidential 2.0</i> says "March 1987".<sup id="cite_ref-Apple_Confidential_22-1" class="reference"><a href="#cite_note-Apple_Confidential-22"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 69">: 69 </span></sup></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=17" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFNorton1992" class="citation book cs1">Norton, Peter (1992). <a rel="nofollow" class="external text" href="https://archive.org/details/insidesystem70000nort"><i>Inside System 7</i></a> (1st ed.). Brady Publishing. p. 215. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-13-656273-6" title="Special:BookSources/0-13-656273-6"><bdi>0-13-656273-6</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">March 3,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Inside+System+7&rft.pages=215&rft.edition=1st&rft.pub=Brady+Publishing&rft.date=1992&rft.isbn=0-13-656273-6&rft.aulast=Norton&rft.aufirst=Peter&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Finsidesystem70000nort&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDanuloff1991" class="citation book cs1">Danuloff, Craig (April 6, 1991). <a rel="nofollow" class="external text" href="https://archive.org/details/mac_The_System_7_Book_1991"><i>The System 7 Book</i></a> (4th ed.). Ventana Press, Inc. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-940087-58-8" title="Special:BookSources/0-940087-58-8"><bdi>0-940087-58-8</bdi></a><span class="reference-accessdate">. Retrieved <span class="nowrap">March 3,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+System+7+Book&rft.edition=4th&rft.pub=Ventana+Press%2C+Inc&rft.date=1991-04-06&rft.isbn=0-940087-58-8&rft.aulast=Danuloff&rft.aufirst=Craig&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fmac_The_System_7_Book_1991&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-Apple:_The_Inside_Story-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-Apple:_The_Inside_Story_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Apple:_The_Inside_Story_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Apple:_The_Inside_Story_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Apple:_The_Inside_Story_3-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Apple:_The_Inside_Story_3-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-Apple:_The_Inside_Story_3-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCarlton1999" class="citation book cs1">Carlton, Jim (1999) [1997]. <a rel="nofollow" class="external text" href="https://archive.org/details/appleinsidestory00carl"><i>Apple: The Inside Story of Intrigue, Egomania and Business Blunders</i></a> (hardback) (2nd ed.). London: Random House Business Books. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0099270737" title="Special:BookSources/978-0099270737"><bdi>978-0099270737</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/925000937">925000937</a><span class="reference-accessdate">. Retrieved <span class="nowrap">March 3,</span> 2024</span> – via <a href="/wiki/Internet_Archive" title="Internet Archive">Internet Archive</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Apple%3A+The+Inside+Story+of+Intrigue%2C+Egomania+and+Business+Blunders&rft.place=London&rft.edition=2nd&rft.pub=Random+House+Business+Books&rft.date=1999&rft_id=info%3Aoclcnum%2F925000937&rft.isbn=978-0099270737&rft.aulast=Carlton&rft.aufirst=Jim&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fappleinsidestory00carl&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-Taligent's_Guide-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-Taligent's_Guide_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFGoldsmith1994" class="citation book cs1">Goldsmith, David (June 1994). <i>Taligent's Guide to Designing Programs: Well-Mannered Object-Oriented Design in C++</i>. Taligent Reference Library. Reading, MA: Addison-Wesley. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0201408881" title="Special:BookSources/978-0201408881"><bdi>978-0201408881</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/636884338">636884338</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Taligent%27s+Guide+to+Designing+Programs%3A+Well-Mannered+Object-Oriented+Design+in+C%2B%2B&rft.place=Reading%2C+MA&rft.series=Taligent+Reference+Library&rft.pub=Addison-Wesley&rft.date=1994-06&rft_id=info%3Aoclcnum%2F636884338&rft.isbn=978-0201408881&rft.aulast=Goldsmith&rft.aufirst=David&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-Singh,_pg._2-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-Singh,_pg._2_6-0">^</a></b></span> <span class="reference-text">Singh, pg. 2</span> </li> <li id="cite_note-bluemeanieseastereggs-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-bluemeanieseastereggs_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-bluemeanieseastereggs_7-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFEveryFanton1998" class="citation web cs1">Every, David K.; Fanton, Daniel (August 26, 1998). <a rel="nofollow" class="external text" href="http://www.mackido.com/EasterEggs/BlueMeanies.html">"Apple Easter Eggs"</a>. MacKiDo<span class="reference-accessdate">. Retrieved <span class="nowrap">March 18,</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Apple+Easter+Eggs&rft.pub=MacKiDo&rft.date=1998-08-26&rft.aulast=Every&rft.aufirst=David+K.&rft.au=Fanton%2C+Daniel&rft_id=http%3A%2F%2Fwww.mackido.com%2FEasterEggs%2FBlueMeanies.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://books.google.com/books?id=vDAEAAAAMBAJ&pg=PT69">"InfoWorld Aug 7, 1989"</a>. August 7, 1989. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210602232344/https://books.google.com/books?id=vDAEAAAAMBAJ&pg=PT69">Archived</a> from the original on June 2, 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">May 26,</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=InfoWorld+Aug+7%2C+1989&rft.date=1989-08-07&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DvDAEAAAAMBAJ%26pg%3DPT69&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://support.apple.com/kb/TA47341?locale=en_US&viewlocale=en_US">"System 7.1 through Mac OS 7.6: Compatibility With Macintosh Computers"</a>. <i>support.apple.com</i>. February 18, 2012. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211219222009/https://support.apple.com/kb/TA47341?locale=en_US&viewlocale=en_US">Archived</a> from the original on December 19, 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">February 9,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=support.apple.com&rft.atitle=System+7.1+through+Mac+OS+7.6%3A+Compatibility+With+Macintosh+Computers&rft.date=2012-02-18&rft_id=https%3A%2F%2Fsupport.apple.com%2Fkb%2FTA47341%3Flocale%3Den_US%26viewlocale%3Den_US&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://books.google.com/books?id=BjsEAAAAMBAJ&dq=%22welcome+to+power+macintosh%22&pg=PA98">"InfoWorld"</a>. March 14, 1994. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220915131107/https://books.google.com/books?id=BjsEAAAAMBAJ&dq=%22welcome+to+power+macintosh%22&pg=PA98">Archived</a> from the original on September 15, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">January 26,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=InfoWorld&rft.date=1994-03-14&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DBjsEAAAAMBAJ%26dq%3D%2522welcome%2Bto%2Bpower%2Bmacintosh%2522%26pg%3DPA98&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.amazon.com/Inside-Macintosh-Volume-Apple-Computer/dp/0201054094">"Inside Macintosh, Volume 4"</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160305023842/http://www.amazon.com/Inside-Macintosh-Volume-Apple-Computer/dp/0201054094">Archived</a> March 5, 2016, at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>, Amazon</span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://school.anhb.uwa.edu.au/personalpages/kwessen/web/books/Books.html">"Book Collection"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20121124070714/http://school.anhb.uwa.edu.au/personalpages/kwessen/web/books/Books.html">Archived</a> from the original on November 24, 2012<span class="reference-accessdate">. Retrieved <span class="nowrap">December 19,</span> 2012</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Book+Collection&rft_id=http%3A%2F%2Fschool.anhb.uwa.edu.au%2Fpersonalpages%2Fkwessen%2Fweb%2Fbooks%2FBooks.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://macgui.com/usenet/?group=53&id=83199#msg">"Re: System 7.0 - Will it be on apple.com?"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20130525064529/http://macgui.com/usenet/?group=53&id=83199#msg">Archived</a> from the original on May 25, 2013<span class="reference-accessdate">. Retrieved <span class="nowrap">April 8,</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Re%3A+System+7.0+-+Will+it+be+on+apple.com%3F&rft_id=http%3A%2F%2Fmacgui.com%2Fusenet%2F%3Fgroup%3D53%26id%3D83199%23msg&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://tidbits.com/1992/01/13/system-7-tune-up/">"System 7 Tune-Up - TidBITS"</a>. January 13, 1992. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220515235643/https://tidbits.com/1992/01/13/system-7-tune-up/">Archived</a> from the original on May 15, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">May 15,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=System+7+Tune-Up+-+TidBITS&rft.date=1992-01-13&rft_id=https%3A%2F%2Ftidbits.com%2F1992%2F01%2F13%2Fsystem-7-tune-up%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-15">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://tidbits.com/1992/04/06/tune-up-1-1-just-get-it/">"Tune-Up 1.1, Just Get It - TidBITS"</a>. April 6, 1992. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220515235641/https://tidbits.com/1992/04/06/tune-up-1-1-just-get-it/">Archived</a> from the original on May 15, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">May 15,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Tune-Up+1.1%2C+Just+Get+It+-+TidBITS&rft.date=1992-04-06&rft_id=https%3A%2F%2Ftidbits.com%2F1992%2F04%2F06%2Ftune-up-1-1-just-get-it%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://tidbits.com/1992/04/20/tune-up-notes/">"Tune-Up Notes - TidBITS"</a>. April 20, 1992. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220515235641/https://tidbits.com/1992/04/20/tune-up-notes/">Archived</a> from the original on May 15, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">May 15,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Tune-Up+Notes+-+TidBITS&rft.date=1992-04-20&rft_id=https%3A%2F%2Ftidbits.com%2F1992%2F04%2F20%2Ftune-up-notes%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-17">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20171018072032/https://manuals.info.apple.com/MANUALS/1000/MA1470/en_US/0302799Sys71UpdateGuide.pdf">"System 7.1 update guide"</a> <span class="cs1-format">(PDF)</span>. Archived from <a rel="nofollow" class="external text" href="https://manuals.info.apple.com/MANUALS/1000/MA1470/en_US/0302799Sys71UpdateGuide.pdf">the original</a> <span class="cs1-format">(PDF)</span> on October 18, 2017.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=System+7.1+update+guide&rft_id=https%3A%2F%2Fmanuals.info.apple.com%2FMANUALS%2F1000%2FMA1470%2Fen_US%2F0302799Sys71UpdateGuide.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-system-software-museum-18"><span class="mw-cite-backlink">^ <a href="#cite_ref-system-software-museum_18-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-system-software-museum_18-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPogue1997" class="citation book cs1"><a href="/wiki/David_Pogue" title="David Pogue">Pogue, David</a> (January 1997). <a rel="nofollow" class="external text" href="http://www.toddp.com/classic/Software%20Install/Apple%20Support%20Documents/Macintosh%20Secrets/Mac%20Secrets%204th%20ed./ch06.pdf"><i>MacWorld Macintosh Secrets 4th edition - Chapter 6: The System Software Museum</i></a> <span class="cs1-format">(PDF)</span>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20171017214028/http://www.toddp.com/classic/Software%20Install/Apple%20Support%20Documents/Macintosh%20Secrets/Mac%20Secrets%204th%20ed./ch06.pdf">Archived</a> <span class="cs1-format">(PDF)</span> from the original on October 17, 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">October 18,</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=MacWorld+Macintosh+Secrets+4th+edition+-+Chapter+6%3A+The+System+Software+Museum&rft.date=1997-01&rft.aulast=Pogue&rft.aufirst=David&rft_id=http%3A%2F%2Fwww.toddp.com%2Fclassic%2FSoftware%2520Install%2FApple%2520Support%2520Documents%2FMacintosh%2520Secrets%2FMac%2520Secrets%25204th%2520ed.%2Fch06.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHoward_Bear2018" class="citation web cs1">Howard Bear, Jacci (November 19, 2018). <a rel="nofollow" class="external text" href="https://www.lifewire.com/locate-font-files-1074150">"Here's How to Find Font Files on Macs or in Windows"</a>. <i>Lifewire</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190425201608/https://www.lifewire.com/locate-font-files-1074150">Archived</a> from the original on April 25, 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">April 25,</span> 2019</span>. <q>The default location for all System fonts in System 7.1 and later is the Fonts folder inside the System folder.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Lifewire&rft.atitle=Here%27s+How+to+Find+Font+Files+on+Macs+or+in+Windows&rft.date=2018-11-19&rft.aulast=Howard+Bear&rft.aufirst=Jacci&rft_id=https%3A%2F%2Fwww.lifewire.com%2Flocate-font-files-1074150&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://lowendmac.com/wares/menuchoice.html">"Classic Mac Wares: MenuChoice 2.1"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20070808135500/http://lowendmac.com/wares/menuchoice.html">Archived</a> from the original on August 8, 2007<span class="reference-accessdate">. Retrieved <span class="nowrap">December 14,</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Classic+Mac+Wares%3A+MenuChoice+2.1&rft_id=http%3A%2F%2Flowendmac.com%2Fwares%2Fmenuchoice.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.pacifict.com/Story/">"The Graphing Calculator Story"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20080118235558/http://www.pacifict.com/Story/">Archived</a> from the original on January 18, 2008<span class="reference-accessdate">. Retrieved <span class="nowrap">December 14,</span> 2007</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=The+Graphing+Calculator+Story&rft_id=http%3A%2F%2Fwww.pacifict.com%2FStory%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-Apple_Confidential-22"><span class="mw-cite-backlink">^ <a href="#cite_ref-Apple_Confidential_22-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Apple_Confidential_22-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFLinzmayer2004" class="citation book cs1">Linzmayer, Owen (2004). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=mXnw5tM8QRwC"><i>Apple Confidential 2.0: The Definitive History of the World's Most Colorful Company</i></a>. No Starch Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1-59327-010-0" title="Special:BookSources/1-59327-010-0"><bdi>1-59327-010-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Apple+Confidential+2.0%3A+The+Definitive+History+of+the+World%27s+Most+Colorful+Company&rft.pub=No+Starch+Press&rft.date=2004&rft.isbn=1-59327-010-0&rft.aulast=Linzmayer&rft.aufirst=Owen&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DmXnw5tM8QRwC&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHoffman2000" class="citation web cs1">Hoffman, Ilene (December 14, 2000). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110308203756/http://www.techrepublic.com/article/mac-corner-your-mac-os-part-2/5030860">"Mac Corner: Your Mac OS, part 2"</a>. Archived from <a rel="nofollow" class="external text" href="https://www.techrepublic.com/article/mac-corner-your-mac-os-part-2/5030860">the original</a> on March 8, 2011.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Mac+Corner%3A+Your+Mac+OS%2C+part+2&rft.date=2000-12-14&rft.aulast=Hoffman&rft.aufirst=Ilene&rft_id=http%3A%2F%2Fwww.techrepublic.com%2Farticle%2Fmac-corner-your-mac-os-part-2%2F5030860&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.themacintoshguy.com/mactips/archive/tip13.shtml">"Mac OS 7.6, Will it be worth it?"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20101222120836/http://themacintoshguy.com/MacTips/archive/tip13.shtml">Archived</a> from the original on December 22, 2010<span class="reference-accessdate">. Retrieved <span class="nowrap">July 27,</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Mac+OS+7.6%2C+Will+it+be+worth+it%3F&rft_id=http%3A%2F%2Fwww.themacintoshguy.com%2Fmactips%2Farchive%2Ftip13.shtml&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text">technote 1096</span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=PEHNrqPkefI">"YouTube - Macworld Boston 1997"</a>. <i><a href="/wiki/YouTube" title="YouTube">YouTube</a></i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20161124213936/https://www.youtube.com/watch?v=PEHNrqPkefI">Archived</a> from the original on November 24, 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">November 28,</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=YouTube&rft.atitle=YouTube+-+Macworld+Boston+1997&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DPEHNrqPkefI&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://lowendmac.com/2014/system-7-5-and-mac-os-7-6-the-beginning-and-end-of-an-era/">"System 7.5 and Mac OS 7.6: The Beginning and End of an Era - LowEndMac"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220408084846/https://lowendmac.com/2014/system-7-5-and-mac-os-7-6-the-beginning-and-end-of-an-era/">Archived</a> from the original on April 8, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">May 15,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=System+7.5+and+Mac+OS+7.6%3A+The+Beginning+and+End+of+an+Era+-+LowEndMac&rft_id=https%3A%2F%2Flowendmac.com%2F2014%2Fsystem-7-5-and-mac-os-7-6-the-beginning-and-end-of-an-era%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-28">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.cnet.com/tech/computing/ram-disk-fix-utility-posted/">"RAM Disk Fix utility posted - CNET"</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220515235641/https://www.cnet.com/tech/computing/ram-disk-fix-utility-posted/">Archived</a> from the original on May 15, 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">May 15,</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=RAM+Disk+Fix+utility+posted+-+CNET&rft_id=https%3A%2F%2Fwww.cnet.com%2Ftech%2Fcomputing%2Fram-disk-fix-utility-posted%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> <li id="cite_note-Inside_Taligent_Technology-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-Inside_Taligent_Technology_29-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCotterPotel1995" class="citation book cs1">Cotter, Sean; Potel, Mike (1995). <a rel="nofollow" class="external text" href="http://www.wildcrest.com/Potel/Portfolio/InsideTaligentTechnology/WW6.htm"><i>Inside Taligent Technology</i></a>. Addison-Wesley. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-201-40970-4" title="Special:BookSources/0-201-40970-4"><bdi>0-201-40970-4</bdi></a>. <a href="/wiki/OCLC_(identifier)" class="mw-redirect" title="OCLC (identifier)">OCLC</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/oclc/1072525751">1072525751</a><span class="reference-accessdate">. Retrieved <span class="nowrap">February 10,</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Inside+Taligent+Technology&rft.pub=Addison-Wesley&rft.date=1995&rft_id=info%3Aoclcnum%2F1072525751&rft.isbn=0-201-40970-4&rft.aulast=Cotter&rft.aufirst=Sean&rft.au=Potel%2C+Mike&rft_id=http%3A%2F%2Fwww.wildcrest.com%2FPotel%2FPortfolio%2FInsideTaligentTechnology%2FWW6.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3ASystem+7" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading3"><h3 id="Bibliography">Bibliography</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=18" title="Edit section: Bibliography"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Amit Singh, <a rel="nofollow" class="external text" href="https://books.google.com/books?id=K8vUkpOXhN4C"><i>Mac OS X Internals: A Systems Approach</i></a>, Addison-Wesley, 2007.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=19" title="Edit section: Further reading"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Harry McQuillen, <i>10 Minute Guide to System 7</i> (1991), <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-672-30033-8" title="Special:BookSources/0-672-30033-8">0-672-30033-8</a></li> <li>Stuple, S. J., <i>Macintosh System 7.5 For Dummies Quick Reference</i> (1994), <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1-56884-956-7" title="Special:BookSources/1-56884-956-7">1-56884-956-7</a></li> <li>Bob Levitus, <i>Macintosh System 7.5 for Dummies</i> (November 1994), <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/1-56884-197-3" title="Special:BookSources/1-56884-197-3">1-56884-197-3</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20031004113439/http://developer.apple.com/technotes/os/os_05.html">System 7.1, System Update 3.0 - Technical Note OS05</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived October 4, 2003) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20010804041320/http://developer.apple.com/technotes/ov/ov_21.html">System 7.5 - Technical Note OV21</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived August 4, 2001) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20040429090120/http://developer.apple.com/technotes/os/os_07.html">System 7.5 Update 1.0 - Technical Note OS07</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived April 29, 2004) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20040628025311/http://developer.apple.com/technotes/tn/tn1017.html">System 7.5 Update 2.0 and System 7.5.3 - Technical Note TN1017</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived June 28, 2004) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20040824052006/http://developer.apple.com/technotes/tn/tn1050.html">System 7.5.3 Revision 2 - Technical Note TN1050</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived August 24, 2004) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20040627115141/http://developer.apple.com/technotes/tn/tn1069.html">System 7.5.5 - Technical Note TN1069</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived June 27, 2004) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20031207162734/http://developer.apple.com/technotes/tn/tn1090.html">Mac OS 7.6 - Technical Note TN1090</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived December 7, 2003) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20031208204957/http://developer.apple.com/technotes/tn/tn1096.html">Mac OS 7.6.1 - Technical Note TN1096</a> at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a> (archived December 8, 2003) from <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=System_7&action=edit&section=20" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.system7today.com/">System 7 Today</a></li> <li><a rel="nofollow" class="external text" href="http://www.lowendmac.com/oldmac/compact3.html">The Compact Mac Trio: System 6 or 7?</a></li></ul> <table class="wikitable succession-box noprint" style="margin:0.5em auto; font-size:small;clear:both;"> <tbody><tr style="text-align:center;"> <td style="width:30%;" rowspan="1">Preceded by<div style="font-weight: bold"><a href="/wiki/System_6" title="System 6">System 6</a></div> </td> <td style="width: 40%; text-align: center;" rowspan="1"><b> System 7/Mac OS 7 </b><br />1991 </td> <td style="width: 30%; text-align: center;" rowspan="1">Succeeded by<div style="font-weight: bold"><a href="/wiki/Mac_OS_8" title="Mac OS 8">Mac OS 8</a></div> </td></tr> </tbody></table> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style 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href="/wiki/Mac_OS_9" title="Mac OS 9">Mac OS 9</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Applications</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Calculator_(Apple)" title="Calculator (Apple)">Calculator</a></li> <li><a href="/wiki/Chooser_(Mac_OS)" title="Chooser (Mac OS)">Chooser</a></li> <li>Drive Setup</li> <li><a href="/wiki/DVD_Player_(macOS)" class="mw-redirect" title="DVD Player (macOS)">DVD Player</a></li> <li><a href="/wiki/Finder_(software)" title="Finder (software)">Finder</a></li> <li><a href="/wiki/NuCalc" title="NuCalc">Graphing Calculator</a></li> <li><a href="/wiki/Keychain_(software)" title="Keychain (software)">Keychain Access</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">PictureViewer</a></li> <li><a href="/wiki/Apple_Open_Collaboration_Environment" title="Apple Open Collaboration Environment">PowerTalk</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">QuickTime Player</a></li> <li><a href="/wiki/Network_Browser" title="Network Browser">Network Browser</a></li> <li><a href="/wiki/Scrapbook_(Mac_OS)" title="Scrapbook (Mac OS)">Scrapbook</a></li> <li><a href="/wiki/Sherlock_(software)" title="Sherlock (software)">Sherlock</a></li> <li><a href="/wiki/Apple_Software_Update" class="mw-redirect" title="Apple Software Update">Software Update</a></li> <li><a href="/wiki/Stickies_(Apple)" title="Stickies (Apple)">Stickies</a></li> <li><a href="/wiki/System_Information_(Mac)" class="mw-redirect" title="System Information (Mac)">System Information</a></li> <li><a href="/wiki/SimpleText" title="SimpleText">SimpleText</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Developer</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/HyperCard" title="HyperCard">HyperCard</a></li> <li><a href="/wiki/MacsBug" title="MacsBug">MacsBug</a></li> <li><a href="/wiki/Macintosh_Programmer%27s_Workshop" title="Macintosh Programmer's Workshop">Macintosh Programmer's Workshop</a></li> <li><a href="/wiki/ResEdit" title="ResEdit">ResEdit</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technology</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alias_(Mac_OS)" title="Alias (Mac OS)">Alias</a></li> <li><a href="/wiki/Appearance_Manager" title="Appearance Manager">Appearance Manager</a></li> <li><a href="/wiki/Apple_menu" title="Apple menu">Apple menu</a></li> <li><a href="/wiki/At_Ease" title="At Ease">At Ease</a></li> <li><a href="/wiki/Balloon_help" title="Balloon help">Balloon help</a></li> <li><a href="/wiki/Bomb_(icon)" title="Bomb (icon)">Bomb error</a></li> <li><a href="/wiki/Command_key" title="Command key">Command key (⌘)</a></li> <li><a href="/wiki/System_Preferences" class="mw-redirect" title="System Preferences">Control Panel</a></li> <li><a href="/wiki/Control_Strip" title="Control Strip">Control Strip</a></li> <li><a href="/wiki/Creator_code" title="Creator code">Creator code</a></li> <li><a href="/wiki/Dogcow" title="Dogcow">Dogcow</a></li> <li><a href="/wiki/Extension_(Mac_OS)" title="Extension (Mac OS)">Extensions</a></li> <li><a href="/wiki/Hierarchical_File_System_(Apple)" title="Hierarchical File System (Apple)">Hierarchical File System</a></li> <li><a href="/wiki/HFS_Plus" title="HFS Plus">HFS Plus</a></li> <li><a href="/wiki/Keychain_(software)" title="Keychain (software)">Keychain</a></li> <li><a href="/wiki/Label_(Mac_OS)" title="Label (Mac OS)">Labels</a></li> <li><a href="/wiki/Macintosh_File_System" title="Macintosh File System">Macintosh File System</a></li> <li><a href="/wiki/Macintosh_Toolbox" title="Macintosh Toolbox">Macintosh Toolbox</a></li> <li><a href="/wiki/Manager_(Mac_OS)" title="Manager (Mac OS)">Managers</a></li> <li><a href="/wiki/MultiFinder" title="MultiFinder">MultiFinder</a></li> <li><a href="/wiki/Multiprocessing_Services" title="Multiprocessing Services">Multiprocessing Services</a></li> <li><a href="/wiki/Option_key" title="Option key">Option key (⌥)</a></li> <li><a href="/wiki/OSType" class="mw-redirect" title="OSType">OSType</a></li> <li><a href="/wiki/PICT" title="PICT">PICT</a></li> <li><a href="/wiki/QuickDraw" title="QuickDraw">QuickDraw</a></li> <li><a href="/wiki/QuickTime" title="QuickTime">QuickTime</a></li> <li><a href="/wiki/Resource_fork" title="Resource fork">Resource fork</a></li> <li><a href="/wiki/Sosumi" title="Sosumi">Sosumi sound</a></li> <li><a href="/wiki/Macintosh_startup" title="Macintosh startup">Startup sequence</a></li> <li><a href="/wiki/System_folder" title="System folder">System folder</a></li> <li><a href="/wiki/System_suitcase" title="System suitcase">System suitcase</a></li> <li><a href="/wiki/Type_code" class="mw-redirect" title="Type code">Type code</a></li> <li><a href="/wiki/WorldScript" title="WorldScript">WorldScript</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related articles</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Mac_OS_memory_management" class="mw-redirect" title="Mac OS memory management">Memory management</a></li> <li><a href="/wiki/Old_World_ROM" title="Old World ROM">Old World ROM</a></li> <li><a href="/wiki/New_World_ROM" title="New World ROM">New World ROM</a></li> <li><a href="/wiki/List_of_Classic_Mac_OS_software" title="List of Classic Mac OS software">Software</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Operating_systems_by_Apple" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Apple_operating_systems" title="Template:Apple operating systems"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Apple_operating_systems" title="Template talk:Apple operating systems"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Apple_operating_systems" title="Special:EditPage/Template:Apple operating systems"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Operating_systems_by_Apple" style="font-size:114%;margin:0 4em">Operating systems by <a href="/wiki/Apple_Inc." title="Apple Inc.">Apple</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Apple_II" title="Apple II">Apple II</a>, <a href="/wiki/Apple_III" title="Apple III">III</a>, <a href="/wiki/Apple_Lisa" title="Apple Lisa">Lisa</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Apple_II" title="Apple II">Apple II</a> <ul><li><a href="/wiki/Apple_DOS" title="Apple DOS">Apple DOS</a></li> <li><a href="/wiki/Apple_ProDOS" title="Apple ProDOS">ProDOS</a></li> <li><a href="/wiki/Apple_GS/OS" title="Apple GS/OS">GS/OS</a></li></ul></li> <li><a href="/wiki/Apple_III" title="Apple III">Apple III</a> <ul><li><a href="/wiki/Apple_SOS" title="Apple SOS">SOS</a></li></ul></li> <li><a href="/wiki/Apple_Lisa" title="Apple Lisa">Lisa</a> <ul><li><a href="/wiki/Apple_Lisa#Software" title="Apple Lisa">Lisa OS</a></li> <li><a href="/wiki/MacWorks_XL" title="MacWorks XL">MacWorks</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mac_operating_systems" title="Mac operating systems">Mac</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Classic_Mac_OS" title="Classic Mac OS">Classic Mac OS</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/System_1" title="System 1">System 1</a></li> <li><a href="/wiki/Classic_Mac_OS#System_1,_2,_3,_and_4" title="Classic Mac OS">Systems 2, 3, and 4</a></li> <li><a href="/wiki/Classic_Mac_OS#System_Software_5" title="Classic Mac OS">System 5</a></li> <li><a href="/wiki/System_6" title="System 6">System 6</a></li> <li><a class="mw-selflink selflink">System 7</a></li> <li><a href="/wiki/Mac_OS_8" title="Mac OS 8">Mac OS 8</a></li> <li><a href="/wiki/Mac_OS_9" title="Mac OS 9">Mac OS 9</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/MacOS" title="MacOS">macOS</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/MacOS_version_history" title="MacOS version history">History</a> <ul><li><a href="/wiki/NeXTSTEP" title="NeXTSTEP">NeXTSTEP</a></li> <li><a href="/wiki/OpenStep" title="OpenStep">OpenStep</a></li> <li><a href="/wiki/Rhapsody_(operating_system)" title="Rhapsody (operating system)">Rhapsody</a></li> <li><a href="/wiki/Mac_OS_X_Public_Beta" title="Mac OS X Public Beta">Public Beta</a></li></ul></li> <li>Core <ul><li><a href="/wiki/Darwin_(operating_system)" title="Darwin (operating system)">Darwin</a> <ul><li><a href="/wiki/XNU" title="XNU">XNU</a></li></ul></li></ul></li> <li>Desktop <ul><li>Mac OS X <ul><li><a href="/wiki/Mac_OS_X_Public_Beta" title="Mac OS X Public Beta">Public Beta</a></li> <li><a href="/wiki/Mac_OS_X_10.0" title="Mac OS X 10.0">10.0 (Cheetah)</a></li> <li><a href="/wiki/Mac_OS_X_10.1" title="Mac OS X 10.1">10.1 (Puma)</a></li> <li><a href="/wiki/Mac_OS_X_Jaguar" title="Mac OS X Jaguar">10.2 Jaguar</a></li> <li><a href="/wiki/Mac_OS_X_Panther" title="Mac OS X Panther">10.3 Panther</a></li> <li><a href="/wiki/Mac_OS_X_Tiger" title="Mac OS X Tiger">10.4 Tiger</a></li> <li><a href="/wiki/Mac_OS_X_Leopard" title="Mac OS X Leopard">10.5 Leopard</a></li> <li><a href="/wiki/Mac_OS_X_Snow_Leopard" title="Mac OS X Snow Leopard">10.6 Snow Leopard</a></li> <li><a href="/wiki/Mac_OS_X_Lion" class="mw-redirect" title="Mac OS X Lion">10.7 Lion</a></li></ul></li> <li>OS X <ul><li><a href="/wiki/OS_X_Mountain_Lion" title="OS X Mountain Lion">10.8 Mountain Lion</a></li> <li><a href="/wiki/OS_X_Mavericks" title="OS X Mavericks">10.9 Mavericks</a></li> <li><a href="/wiki/OS_X_Yosemite" title="OS X Yosemite">10.10 Yosemite</a></li> <li><a href="/wiki/OS_X_El_Capitan" title="OS X El Capitan">10.11 El Capitan</a></li></ul></li> <li>macOS <ul><li><a href="/wiki/MacOS_Sierra" title="MacOS Sierra">10.12 Sierra</a></li> <li><a href="/wiki/MacOS_High_Sierra" title="MacOS High Sierra">10.13 High Sierra</a></li> <li><a href="/wiki/MacOS_Mojave" title="MacOS Mojave">10.14 Mojave</a></li> <li><a href="/wiki/MacOS_Catalina" title="MacOS Catalina">10.15 Catalina</a></li> <li><a href="/wiki/MacOS_Big_Sur" title="MacOS Big Sur">11 Big Sur</a></li> <li><a href="/wiki/MacOS_Monterey" title="MacOS Monterey">12 Monterey</a></li> <li><a href="/wiki/MacOS_Ventura" title="MacOS Ventura">13 Ventura</a></li> <li><a href="/wiki/MacOS_Sonoma" title="MacOS Sonoma">14 Sonoma</a></li> <li><a href="/wiki/MacOS_Sequoia" title="MacOS Sequoia">15 Sequoia</a></li></ul></li></ul></li> <li><a href="/wiki/MacOS_Server" class="mw-redirect" title="MacOS Server">Server</a> <ul><li><a href="/wiki/Mac_OS_X_Server_1.0" title="Mac OS X Server 1.0">Mac OS X Server 1.0</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other projects</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Shipped <ul><li><a href="/wiki/A/ROSE" title="A/ROSE">A/ROSE</a></li> <li><a href="/wiki/A/UX" title="A/UX">A/UX</a></li> <li><a href="/wiki/AIX_for_Apple_Network_Servers" class="mw-redirect" title="AIX for Apple Network Servers">AIX for Apple Network Servers</a></li> <li><a href="/wiki/Macintosh_Application_Environment" title="Macintosh Application Environment">MAE</a></li> <li><a href="/wiki/MkLinux" title="MkLinux">MkLinux</a></li> <li><a href="/wiki/PowerOpen_Environment" title="PowerOpen Environment">PowerOpen Environment</a></li></ul></li> <li>Cancelled <ul><li><a href="/wiki/Star_Trek_project" title="Star Trek project">Star Trek</a></li> <li><a href="/wiki/Taligent" title="Taligent">Taligent</a></li> <li><a href="/wiki/Copland_(operating_system)" title="Copland (operating system)">Copland</a> <ul><li><a href="/wiki/Nukernel" title="Nukernel">Nukernel</a></li></ul></li> <li><a href="/wiki/Vanguard_(microkernel)" title="Vanguard (microkernel)">Vanguard</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/IOS" title="IOS">iOS</a> derivatives</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/IOS" title="IOS">iOS</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>iPhone OS <ul><li><a href="/wiki/IPhone_OS_1" title="IPhone OS 1">1</a></li> <li><a href="/wiki/IPhone_OS_2" title="IPhone OS 2">2</a></li> <li><a href="/wiki/IPhone_OS_3" title="IPhone OS 3">3</a></li></ul></li> <li>iOS <ul><li><a href="/wiki/IOS_4" title="IOS 4">4</a></li> <li><a href="/wiki/IOS_5" title="IOS 5">5</a></li> <li><a href="/wiki/IOS_6" title="IOS 6">6</a></li> <li><a href="/wiki/IOS_7" title="IOS 7">7</a></li> <li><a href="/wiki/IOS_8" title="IOS 8">8</a></li> <li><a href="/wiki/IOS_9" title="IOS 9">9</a></li> <li><a href="/wiki/IOS_10" title="IOS 10">10</a></li> <li><a href="/wiki/IOS_11" title="IOS 11">11</a></li> <li><a href="/wiki/IOS_12" title="IOS 12">12</a></li> <li><a href="/wiki/IOS_13" title="IOS 13">13</a></li> <li><a href="/wiki/IOS_14" title="IOS 14">14</a></li> <li><a href="/wiki/IOS_15" title="IOS 15">15</a></li> <li><a href="/wiki/IOS_16" title="IOS 16">16</a></li> <li><a href="/wiki/IOS_17" title="IOS 17">17</a></li> <li><a href="/wiki/IOS_18" title="IOS 18">18</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/IPadOS" title="IPadOS">iPadOS</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/IPadOS_13" title="IPadOS 13">13</a></li> <li><a href="/wiki/IPadOS_14" title="IPadOS 14">14</a></li> <li><a href="/wiki/IPadOS_15" title="IPadOS 15">15</a></li> <li><a href="/wiki/IPadOS_16" title="IPadOS 16">16</a></li> <li><a href="/wiki/IPadOS_17" title="IPadOS 17">17</a></li> <li><a href="/wiki/IPadOS_18" title="IPadOS 18">18</a></li></ul> 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