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GNU coreutils 8.32
March 2020

coreutils

The basic file, shell and text manipulation utilities of the GNU operating system

coreutils-common

coreutils common optional components

coreutils-doc

Documentation for the GNU Core Utilities

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 final 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 any translation bugs to <https://translationproject.org/team/>

COPYRIGHT

Copyright © 2020 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

chown(1), chown(2)
Full documentation <https://www.gnu.org/software/coreutils/chgrp>
or available locally via: info \(aq(coreutils) chgrp invocation\(aq
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