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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.
like verbose but report only when a change is made
affect the referent of each symbolic link (this is the default),
rather than the symbolic link itself
affect each symbolic link instead of any referenced file (useful
only on systems that can change the ownership of a symlink)
do not treat '/' specially (the default)
fail to operate recursively on '/'
-f, --silent, --quiet
suppress most error messages
use RFILE's group rather than specifying a GROUP value
operate on files and directories recursively
output a diagnostic for every file processed
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,
-L traverse every symbolic link to a directory encountered
-P do not traverse any symbolic links (default)
--help display this help and exit
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 chgrp bugs to email@example.com
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report chgrp translation bugs to <http://translationproject.org/team/>
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <http://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.
The full documentation for chgrp is maintained as a Texinfo manual. If
the info and chgrp programs are properly installed at your site, the
info coreutils 'chgrp invocation'
should give you access to the complete manual.
GNU coreutils 8.4 March 2017 CHGRP(1)