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Es ist jedoch nicht zwingend erforderlich."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Benutzerkonto erstellen</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Spezial:Anmelden&returnto=Wikibooks%3A%C3%9Cber+Wikibooks" title="Sich anzumelden wird gerne gesehen, ist jedoch nicht zwingend erforderlich. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Anmelden</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Seiten für abgemeldete Benutzer <a href="/wiki/Hilfe:Einf%C3%BChrung" aria-label="Erfahre mehr über das Bearbeiten"><span>Weitere Informationen</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Spezial:Meine_Beitr%C3%A4ge" title="Eine Liste der Bearbeitungen, die von dieser IP-Adresse gemacht wurden [y]" accesskey="y"><span>Beiträge</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Spezial:Meine_Diskussionsseite" title="Diskussion über Änderungen von dieser IP-Adresse [n]" accesskey="n"><span>Diskussionsseite</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Website"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Wikibooks</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Über Wikibooks</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Zu einem Artikel in einer anderen Sprache gehen. Verfügbar in 20 Sprachen" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-20" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">20 Sprachen</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikibooks.org/wiki/%D9%88%D9%8A%D9%83%D9%8A_%D8%A7%D9%84%D9%83%D8%AA%D8%A8:%D8%AD%D9%88%D9%84" title="ويكي الكتب:حول – Arabisch" lang="ar" hreflang="ar" data-title="ويكي الكتب:حول" data-language-autonym="العربية" data-language-local-name="Arabisch" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikibooks.org/wiki/Vikikitab:Haqq%C4%B1nda" title="Vikikitab:Haqqında – Aserbaidschanisch" lang="az" hreflang="az" data-title="Vikikitab:Haqqında" data-language-autonym="Azərbaycanca" data-language-local-name="Aserbaidschanisch" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikibooks.org/wiki/%D0%92%D1%96%D0%BA%D1%96%D0%BA%D0%BD%D1%96%D0%B3%D1%96:%D0%9F%D1%80%D0%B0_%D0%92%D1%96%D0%BA%D1%96%D0%BA%D0%BD%D1%96%D0%B3%D1%96" title="Вікікнігі:Пра Вікікнігі – Belarussisch" lang="be" hreflang="be" data-title="Вікікнігі:Пра Вікікнігі" data-language-autonym="Беларуская" data-language-local-name="Belarussisch" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikibooks.org/wiki/Help:About" title="Help:About – Englisch" lang="en" hreflang="en" data-title="Help:About" data-language-autonym="English" data-language-local-name="Englisch" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikibooks.org/wiki/Wikilibros:Acerca_de" title="Wikilibros:Acerca de – Spanisch" lang="es" hreflang="es" data-title="Wikilibros:Acerca de" data-language-autonym="Español" data-language-local-name="Spanisch" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikibooks.org/wiki/%D8%B1%D8%A7%D9%87%D9%86%D9%85%D8%A7:%D9%85%D9%82%D8%AF%D9%85%D9%87" title="راهنما:مقدمه – Persisch" lang="fa" hreflang="fa" data-title="راهنما:مقدمه" data-language-autonym="فارسی" data-language-local-name="Persisch" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikibooks.org/wiki/Wikilivres:Wikilivres" title="Wikilivres:Wikilivres – Französisch" lang="fr" hreflang="fr" data-title="Wikilivres:Wikilivres" data-language-autonym="Français" data-language-local-name="Französisch" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikibooks.org/wiki/Wikik%C3%B6nyvek:A_Wikik%C3%B6nyvekr%C5%91l" title="Wikikönyvek:A Wikikönyvekről – Ungarisch" lang="hu" hreflang="hu" data-title="Wikikönyvek:A Wikikönyvekről" data-language-autonym="Magyar" data-language-local-name="Ungarisch" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikibooks.org/wiki/Wikibooks:Sala_stampa/Wikibooks" title="Wikibooks:Sala stampa/Wikibooks – Italienisch" lang="it" hreflang="it" data-title="Wikibooks:Sala stampa/Wikibooks" data-language-autonym="Italiano" data-language-local-name="Italienisch" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikibooks.org/wiki/Wikibooks:%E3%82%A6%E3%82%A3%E3%82%AD%E3%83%96%E3%83%83%E3%82%AF%E3%82%B9%E3%81%AB%E3%81%A4%E3%81%84%E3%81%A6" title="Wikibooks:ウィキブックスについて – Japanisch" lang="ja" hreflang="ja" data-title="Wikibooks:ウィキブックスについて" data-language-autonym="日本語" data-language-local-name="Japanisch" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikibooks.org/wiki/Wikibooks:%E1%83%A8%E1%83%94%E1%83%A1%E1%83%90%E1%83%AE%E1%83%94%E1%83%91" title="Wikibooks:შესახებ – Georgisch" lang="ka" hreflang="ka" data-title="Wikibooks:შესახებ" data-language-autonym="ქართული" data-language-local-name="Georgisch" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikibooks.org/wiki/Wikibuku:Perihal" title="Wikibuku:Perihal – Malaiisch" lang="ms" hreflang="ms" data-title="Wikibuku:Perihal" data-language-autonym="Bahasa Melayu" data-language-local-name="Malaiisch" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikibooks.org/wiki/Wikibooks:Info" title="Wikibooks:Info – Niederländisch" lang="nl" hreflang="nl" data-title="Wikibooks:Info" data-language-autonym="Nederlands" data-language-local-name="Niederländisch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikibooks.org/wiki/Wikibooks:O_Wikibooks" title="Wikibooks:O Wikibooks – Polnisch" lang="pl" hreflang="pl" data-title="Wikibooks:O Wikibooks" data-language-autonym="Polski" data-language-local-name="Polnisch" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikibooks.org/wiki/Wikilivros:Sobre" title="Wikilivros:Sobre – Portugiesisch" lang="pt" hreflang="pt" data-title="Wikilivros:Sobre" data-language-autonym="Português" data-language-local-name="Portugiesisch" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikibooks.org/wiki/%D0%92%D0%B8%D0%BA%D0%B8%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA:%D0%9E%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5" title="Викиучебник:Описание – Russisch" lang="ru" hreflang="ru" data-title="Викиучебник:Описание" data-language-autonym="Русский" data-language-local-name="Russisch" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikibooks.org/wiki/Wikibooks:About" title="Wikibooks:About – einfaches Englisch" lang="en-simple" hreflang="en-simple" data-title="Wikibooks:About" data-language-autonym="Simple English" data-language-local-name="einfaches Englisch" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikibooks.org/wiki/Buku_Wiki:Ngeunaan" title="Buku Wiki:Ngeunaan – Sundanesisch" lang="su" hreflang="su" data-title="Buku Wiki:Ngeunaan" data-language-autonym="Sunda" data-language-local-name="Sundanesisch" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikibooks.org/wiki/%D0%A0%D0%BE%D2%B3%D0%BD%D0%B0%D0%BC%D0%BE:%D0%94%D0%B0%D1%80_%D0%B1%D0%BE%D1%80%D0%B0%D0%B8" title="Роҳнамо:Дар бораи – Tadschikisch" lang="tg" hreflang="tg" data-title="Роҳнамо:Дар бораи" data-language-autonym="Тоҷикӣ" data-language-local-name="Tadschikisch" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikibooks.org/wiki/Wikibooks:%E5%85%B3%E4%BA%8E" title="Wikibooks:关于 – Chinesisch" lang="zh" hreflang="zh" data-title="Wikibooks:关于" data-language-autonym="中文" data-language-local-name="Chinesisch" 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/Q4387616#sitelinks-wikibooks" title="Links auf Artikel in anderen Sprachen bearbeiten" class="wbc-editpage">Links bearbeiten</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namensräume"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-project" class="selected vector-tab-noicon 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[e]" accesskey="e"><span>Quelltext anzeigen</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Wikibooks:%C3%9Cber_Wikibooks&action=history" title="Frühere Versionen dieser Seite [h]" accesskey="h"><span>Versionsgeschichte</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Seitenwerkzeuge"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Werkzeuge" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Werkzeuge</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Werkzeuge</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">In die Seitenleiste verschieben</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">Verbergen</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions 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href="/wiki/Spezial:Linkliste/Wikibooks:%C3%9Cber_Wikibooks" title="Liste aller Seiten, die hierher verlinken [j]" accesskey="j"><span>Links auf diese Seite</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Spezial:%C3%84nderungen_an_verlinkten_Seiten/Wikibooks:%C3%9Cber_Wikibooks" rel="nofollow" title="Letzte Änderungen an Seiten, die von hier verlinkt sind [k]" accesskey="k"><span>Änderungen an verlinkten Seiten</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Spezial:Spezialseiten" title="Liste aller Spezialseiten [q]" accesskey="q"><span>Spezialseiten</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Wikibooks:%C3%9Cber_Wikibooks&oldid=776469" title="Dauerhafter Link zu dieser Seitenversion"><span>Permanenter Link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Wikibooks:%C3%9Cber_Wikibooks&action=info" title="Weitere Informationen über diese 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href="/w/index.php?title=Spezial:DownloadAsPdf&page=Wikibooks%3A%C3%9Cber_Wikibooks&action=show-download-screen"><span>Als PDF herunterladen</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Wikibooks:%C3%9Cber_Wikibooks&printable=yes" title="Druckansicht dieser Seite [p]" accesskey="p"><span>Druckversion</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> In anderen Projekten </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Commons:Welcome" hreflang="en"><span>Wikimedia Commons</span></a></li><li class="wb-otherproject-link wb-otherproject-mediawiki mw-list-item"><a href="https://www.mediawiki.org/wiki/Project:About" hreflang="en"><span>MediaWiki</span></a></li><li class="wb-otherproject-link wb-otherproject-meta mw-list-item"><a href="https://meta.wikimedia.org/wiki/Meta:About" hreflang="en"><span>Meta-Wiki</span></a></li><li class="wb-otherproject-link wb-otherproject-sources mw-list-item"><a href="https://wikisource.org/wiki/Wikisource:About_Wikisource" hreflang="en"><span>Mehrsprachige Wikisource</span></a></li><li class="wb-otherproject-link wb-otherproject-species mw-list-item"><a href="https://species.wikimedia.org/wiki/Wikispecies:About" hreflang="en"><span>Wikispecies</span></a></li><li class="wb-otherproject-link wb-otherproject-wikidata mw-list-item"><a href="https://www.wikidata.org/wiki/Wikidata:Introduction" hreflang="en"><span>Wikidata</span></a></li><li class="wb-otherproject-link wb-otherproject-wikifunctions mw-list-item"><a href="https://www.wikifunctions.org/wiki/Wikifunctions:About" hreflang="en"><span>Wikifunctions</span></a></li><li class="wb-otherproject-link wb-otherproject-wikipedia mw-list-item"><a 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0;"><span style="padding:3px 5px 3px 0;"><a href="/wiki/Hauptseite" title="Hauptseite">Hauptseite</a> <span style="color:#AAAAAA;">|</span> <a href="/wiki/Wikibooks:Portal" title="Wikibooks:Portal">Zusammenarbeit</a> <span style="color:#AAAAAA;">|</span> <a href="/wiki/Wikibooks:Qualit%C3%A4tsmanagement" title="Wikibooks:Qualitätsmanagement">Qualitätsmanagement</a> <span style="color:#AAAAAA;">|</span> <a href="/wiki/Wikibooks:Buchportal" title="Wikibooks:Buchportal">Buchportal</a> <span style="position:relative; bottom:-1px; background-color:#F5F5F5; border-top:solid 1px #AAAAAA; border-right:solid 1px #AAAAAA; border-bottom:solid 1px #F5F5F5; border-left:solid 1px #AAAAAA; padding:3px 5px 4px 5px;"><a class="mw-selflink selflink">Über Wikibooks</a></span> <a href="/wiki/Wikibooks:Wikibookianer_nach_Wissensgebieten" title="Wikibooks:Wikibookianer nach Wissensgebieten">Die Wikibookianer</a> <span style="color:#AAAAAA;">|</span> <a href="/wiki/Wikibooks:Hilfe" title="Wikibooks:Hilfe">Hilfe</a></span></div> <table width="100%" cellspacing="0" style="background-color:#F5F5F5; border-right:solid 1px #AAAAAA; border-bottom:solid 1px #AAAAAA; border-left:solid 1px #AAAAAA; padding:3px 0 3px 0;"> <tbody><tr> <td width="100%"> <p><a href="/wiki/Wikibooks:Pr%C3%A4sentation" title="Wikibooks:Präsentation">Präsentation</a> • <a href="/wiki/Wikibooks:Impressum" title="Wikibooks:Impressum">Impressum</a> • <a href="/wiki/Wikibooks:Lizenzbestimmungen" title="Wikibooks:Lizenzbestimmungen">Lizenzbestimmungen</a> • <a href="/wiki/Wikibooks:Datenschutz" title="Wikibooks:Datenschutz">Datenschutz</a> • <a href="/wiki/Wikibooks:Haftungsausschluss" title="Wikibooks:Haftungsausschluss">Haftungsausschluss</a> • <a href="/wiki/Wikibooks:Pressespiegel" title="Wikibooks:Pressespiegel">Pressespiegel</a><br/> <a href="/wiki/Wikibooks:Spielwiese" title="Wikibooks:Spielwiese">Spielwiese</a> • <a href="/wiki/Wikibooks:Vorlagen" title="Wikibooks:Vorlagen">Vorlagen</a> • <a href="/wiki/Wikibooks:Captcha" title="Wikibooks:Captcha">Captcha</a> • <a href="/wiki/Wikibooks:VisualEditor" title="Wikibooks:VisualEditor">VisualEditor</a> • <a href="/wiki/Wikibooks:Wikimedia_Commons" title="Wikibooks:Wikimedia Commons">Commons</a> • <a href="/wiki/Wikibooks:Wikidata" title="Wikibooks:Wikidata">Wikidata</a> • <a href="/wiki/Wikibooks:Wikibooks_bekannter_machen" title="Wikibooks:Wikibooks bekannter machen">Wikibooks bekannter machen</a> </p> </td> <td valign="bottom"><figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/Datei:Wikibooks-logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/44px-Wikibooks-logo.svg.png" decoding="async" width="44" height="44" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/66px-Wikibooks-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/88px-Wikibooks-logo.svg.png 2x" data-file-width="300" data-file-height="300"/></a><figcaption></figcaption></figure> </td></tr></tbody></table> </td></tr></tbody></table><div style="float:right;margin:0.4em;border:1px solid #cccccc;background:#ffffff;padding:0 10px;text-align:center;font-size:x-small">Abkürzung:<br/><a href="/wiki/Wikibooks:%C3%9CW" class="mw-redirect" title="Wikibooks:ÜW">WB:ÜW</a> </div> <figure typeof="mw:File/Thumb"><a href="/wiki/Datei:Wikibooks-logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/150px-Wikibooks-logo.svg.png" decoding="async" width="150" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/225px-Wikibooks-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/300px-Wikibooks-logo.svg.png 2x" data-file-width="300" data-file-height="300"/></a><figcaption>Das Logo von Wikibooks</figcaption></figure> <p><b>Wikibooks</b> [vɪkiˈbʊks], ehemals <i>Wikimedia Free Textbook Project</i> und <i>Wikimedia-Textbooks</i>, ist ein Schwesterprojekt von <a href="https://de.wikipedia.org/wiki/Wikipedia" class="extiw" title="w:Wikipedia">Wikipedia</a> und ein Projekt der <a href="https://de.wikipedia.org/wiki/Wikimedia_Foundation" class="extiw" title="w:Wikimedia Foundation">Wikimedia Foundation</a>. Es wurde am 10. Juli 2003 gestartet. Seit dem 21. Juli 2004 haben die deutschsprachige Ausgabe sowie andere Sprachen ihre eigene Subdomain. </p><p>Das Projekt stellt eine Sammlung freier Lehr-, Sach- und Fachbücher dar, die in Zusammenarbeit der Nutzer erstellt werden, ähnlich wie bei der Wikipedia. Das heißt: Jeder darf ein Kapitel durch einen Klick auf die Schaltfläche „Bearbeiten“ verbessern. </p><p>Alle Bücher in Wikibooks stehen unter der Lizenz <span class="plainlinks"><a rel="nofollow" class="external text" href="//creativecommons.org/licenses/by-sa/3.0/deed.de">Creative Commons „Namensnennung – Weitergabe unter gleichen Bedingungen 3.0“ (CC-BY-SA 3.0)</a></span> und der <a href="/wiki/Wikibooks:GNU_Free_Documentation_License" title="Wikibooks:GNU Free Documentation License">GNU Freie Dokumentationslizenz</a>. Damit können Bücher ebenso wie Artikel in der Wikipedia beliebig überarbeitet und verbreitet werden, solange die Ursprungsautoren genannt werden und die Lizenz beibehalten wird. </p><p>Heute gibt es 32.685 Buchkapitel in 824 Büchern. Ein Buch zu schreiben braucht seine Zeit, aber es gibt schon 90 <a href="/wiki/Wikibooks:Buchkatalog" title="Wikibooks:Buchkatalog">vollständige Bücher</a>, einige davon mit <a href="/wiki/Kategorie:Buch_mit_Druckversion" title="Kategorie:Buch mit Druckversion">Druckversion</a> oder als <a href="/wiki/Wikibooks:PDF-Katalog" title="Wikibooks:PDF-Katalog">PDF-Datei</a>. </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Abgerufen von „<a dir="ltr" href="https://de.wikibooks.org/w/index.php?title=Wikibooks:Über_Wikibooks&oldid=776469">https://de.wikibooks.org/w/index.php?title=Wikibooks:Über_Wikibooks&oldid=776469</a>“</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Spezial:Kategorien" title="Spezial:Kategorien">Kategorie</a>: <ul><li><a href="/wiki/Kategorie:Wikibooks" title="Kategorie:Wikibooks">Wikibooks</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Diese Seite wurde zuletzt am 1. 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