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<html> <head> <title>chgrp</title> <META NAME="KEYWORDS" CONTENT="chgrp"> </head> <body BGCOLOR="#ffffff" LINK="#0000ff" VLINK="#0000ff" ALINK="#0000ff" TEXT="#000000"> <center> <h1><b>chgrp</b></h1></center> <PRE> <STRONG><A HREF="/man1/CHGRP">CHGRP(1)</A></STRONG> User Commands <STRONG><A HREF="/man1/CHGRP">CHGRP(1)</A></STRONG> NAME chgrp - change group ownership SYNOPSIS chgrp [OPTION]... GROUP FILE... chgrp [OPTION]... --reference=RFILE FILE... DESCRIPTION Change the group of each FILE to GROUP. With --reference, change the group of each FILE to that of RFILE. -c, --changes like verbose but report only when a change is made -f, --silent, --quiet suppress most error messages -v, --verbose output a diagnostic for every file processed --dereference affect the referent of each symbolic link (this is the default), rather than the symbolic link itself -h, --no-dereference affect symbolic links instead of any referenced file (useful only on systems that can change the ownership of a symlink) --no-preserve-root do not treat '/' specially (the default) --preserve-root fail to operate recursively on '/' --reference=RFILE use RFILE's group rather than specifying a GROUP value -R, --recursive operate on files and directories recursively The following options modify how a hierarchy is traversed when the -R option is also specified. If more than one is specified, only the fi- nal one takes effect. -H if a command line argument is a symbolic link to a directory, traverse it -L traverse every symbolic link to a directory encountered -P do not traverse any symbolic links (default) --help display this help and exit --version output version information and exit EXAMPLES chgrp staff /u Change the group of /u to "staff". chgrp -hR staff /u Change the group of /u and subfiles to "staff". AUTHOR Written by David MacKenzie and Jim Meyering. REPORTING BUGS GNU coreutils online help: <https://www.gnu.org/software/coreutils/> Report chgrp translation bugs to <https://translationproject.org/team/> COPYRIGHT Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO <STRONG><A HREF="/man1/chown">chown(1)</A></STRONG>, <STRONG><A HREF="/man2/chown">chown(2)</A></STRONG> Full documentation at: <https://www.gnu.org/software/coreutils/chgrp> or available locally via: info '(coreutils) chgrp invocation' GNU coreutils 8.30 September 2019 <STRONG><A HREF="/man1/CHGRP">CHGRP(1)</A></STRONG></PRE> <center> <h6>Man Pages Copyright Respective Owners. Site Copyright (C) 1994 - 2025 <a href="http://www.he.net">Hurricane Electric</a>. All Rights Reserved.</h6></center> </body> </html>