CHGRP

chgrp − change group ownership

chgrp [OPTION]... GROUP FILE...
chgrp [OPTION]... --reference=RFILE FILE...

Change the group membership of each FILE to GROUP.

−c, −−changes

like verbose but report only when a change is made

−−dereference

affect the referent of each symbolic link, rather than the symbolic link itself

−h, −−no−dereference

affect symbolic links instead of any referenced file (available only on systems that can change the ownership of a symlink)

−f, −−silent, −−quiet

suppress most error messages

−−reference=RFILE

use RFILE’s group rather than the specified GROUP value

−R, −−recursive

operate on files and directories recursively

−v, −−verbose

output a diagnostic for every file processed

−−help

display this help and exit

−−version

output version information and exit

Written by David MacKenzie.

Report bugs to <bug-fileutils@gnu.org>.

Copyright © 1999 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

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 chgrp

should give you access to the complete manual.