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
 affect the referent of each symbolic link (this is the default), rather than the symbolic link itself
-h, --no-dereference
 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
-R, --recursive
 operate on files and directories recursively
-v, --verbose
 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, 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
 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 GNU coreutils home page: <> General help using GNU software: <>


Copyright © 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <>. 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 command
info coreutils 'chgrp invocation'
should give you access to the complete manual.

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