redhat man page for chgrp

CHGRP(1)								FSF								  CHGRP(1)

NAME
       chgrp - change group ownership

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

DESCRIPTION
       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

AUTHOR
       Written by David MacKenzie.

REPORTING BUGS
       Report bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
       Copyright (C) 2002 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 PARTICU-
       LAR PURPOSE.

SEE ALSO
       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.

chgrp (coreutils) 4.5.3 					   February 2003							  CHGRP(1)