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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.
-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)
--from=CURRENT_OWNER:CURRENT_GROUP
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
--no-preserve-root
do not treat '/' specially (the default)
--preserve-root
fail to operate recursively on '/'
--reference=RFILE
use RFILE's ownership rather than specifying values. RFILE
is always dereferenced if a symbolic link.
-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 final one takes effect. -P is the default.
-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
--help display this help and exit
--version
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.
GNU coreutils online help:
<https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
Copyright © 2025 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-9.7.tar.xz fetched from
⟨http://ftp.gnu.org/gnu/coreutils/⟩ on 2025-08-11. 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 [email protected]
GNU coreutils 9.7 April 2025 CHGRP(1)
Pages that refer to this page: chown(2), group(5), symlink(7)
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HTML rendering created 2025-09-06 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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