CHGRP(1)

NAME
       chgrp - change the group ownership of files

SYNOPSIS
       chgrp   [-Rcfv]   [--recursive]   [--changes]   [--silent]
       [--quiet] [--verbose] [--help] [--version] group file...

DESCRIPTION
       This documentation is no longer being maintained  and  may
       be inaccurate or incomplete.  The Texinfo documentation is
       now the authoritative source.

       This manual page  documents  the  GNU  version  of  chgrp.
       chgrp  changes  the  group ownership of each given file to
       the named group, which can be either a  group  name  or  a
       numeric group ID.

   OPTIONS
       -c, --changes
              Verbosely describe only files whose ownership actu-
              ally changes.

       -f, --silent, --quiet
              Do not print error messages about files whose  own-
              ership cannot be changed.

       -v, --verbose
              Verbosely describe ownership changes.

       -R, --recursive
              Recursively  change  ownership  of  directories and
              their contents.

       --help Print a usage message on standard output  and  exit
              successfully.

       --version
              Print  version  information on standard output then
              exit successfully.