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NAME | SYNOPSIS | DESCRIPTION | EXAMPLES | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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CHGRP(1) User Commands CHGRP(1)
chgrp - change group ownership
chgrp [OPTION]... GROUP FILE...
chgrp [OPTION]... --reference=RFILE FILE...
Change the group of each FILE to GROUP. With --reference, change
the group of each FILE to that of RFILE.
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-c\-c, --changes]8;;\
like verbose but report only when a change is made
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-f\-f, --silent, --quiet]8;;\
suppress most error messages
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-v\-v, --verbose]8;;\
output a diagnostic for every file processed
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp--dereference\--dereference]8;;\
affect the referent of each symbolic link (this is the
default), rather than the symbolic link itself
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-h\-h, --no-dereference]8;;\
affect symbolic links instead of any referenced file;
useful only on systems that can change the ownership of a
symlink
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp--from\--from=CURRENT_OWNER:CURRENT_GROUP]8;;\
change the ownership of each file only if its current owner
and/or group match those specified here. Either may be
omitted, in which case a match is not required for the
omitted attribute
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp--no-preserve-root\--no-preserve-root]8;;\
do not treat '/' specially (the default)
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp--preserve-root\--preserve-root]8;;\
fail to operate recursively on '/'
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp--reference\--reference=RFILE]8;;\
use RFILE's ownership rather than specifying values. RFILE
is always dereferenced if a symbolic link.
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-R\-R, --recursive]8;;\
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 final one takes effect. -P is the default.
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-H\-H]8;;\ if a command line argument is a symlink to a directory,
traverse it
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-L\-L]8;;\ traverse every symbolic link to a directory encountered
]8;;https://www.gnu.org/software/coreutils/manual/coreutils.html#chgrp-P\-P]8;;\ do not traverse any symbolic links
]8;;https://www.gnu.org/software/coreutils/chgrp#chgrp--help\--help]8;;\ display this help and exit
]8;;https://www.gnu.org/software/coreutils/chgrp#chgrp--version\--version]8;;\
output version information and exit
chgrp staff /u
Change the group of /u to "staff".
chgrp -hR staff /u
Change the group of /u and subfiles to "staff".
Written by David MacKenzie and Jim Meyering.
Report bugs to: bug-coreutils@gnu.org
GNU coreutils home page: <https://www.gnu.org/software/coreutils/>
General help using GNU software: <https://www.gnu.org/gethelp/>
Report any translation bugs to
<https://translationproject.org/team/>
Copyright © 2026 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.
chown(1), chown(2)
Full documentation <https://www.gnu.org/software/coreutils/chgrp>
or available locally via: info '(coreutils) chgrp invocation'
This page is part of the coreutils (basic file, shell and text
manipulation utilities) project. Information about the project
can be found at ⟨http://www.gnu.org/software/coreutils/⟩. If you
have a bug report for this manual page, see
⟨http://www.gnu.org/software/coreutils/⟩. This page was obtained
from the tarball coreutils-9.11.tar.xz fetched from
⟨http://ftp.gnu.org/gnu/coreutils/⟩ on 2026-05-24. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org
GNU coreutils 9.11 April 2026 CHGRP(1)
Pages that refer to this page: chown(2), group(5), symlink(7)
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HTML rendering created 2026-05-24 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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