NAME
chgrp - change group ownership of files
SYNOPSIS
chgrp [options] group file...
POSIX options: [-R]
GNU options (shortest form): [-cfvR] [--help] [--version]
[--]
DESCRIPTION
chgrp changes the group ownership of each given file to
group, which can be either a group name or a numeric group
ID.
POSIX OPTIONS
-R Recursively change the group ownership of directories
and their contents. (And continue even when errors are
encountered.)
GNU OPTIONS
-c, --changes
Verbosely describe the action for each file whose group
actually changes.
-f, --silent, --quiet
Do not print error messages about files whose group
cannot be changed.
-h, --no-dereference
Act on symbolic links themselves instead of what they
point to. Only available if the lchown system call is
provided.
-v, --verbose
Verbosely describe the action or non-action taken for
every file.
-R, --recursive
Recursively change the group ownership of directories
and their contents.
GNU STANDARD OPTIONS
--help
Print a usage message on standard output and exit suc-
cessfully.
--version
Print version information on standard output, then exit
successfully.
-- Terminate option list.
ENVIRONMENT
The variables LANG, LC_ALL, LC_CTYPE and LC_MESSAGES have
the usual meaning.
CONFORMING TO
POSIX 1003.2 only requires the -R option. Use of other
options may not be portable.
NOTES
This page describes chgrp as found in the fileutils-3.16
package; other versions may differ slightly. Mail correc-
tions and additions to aeb@cwi.nl, aw@mail1.bet1.puv.fi and
ragnar@lightside.ddns.org. Report bugs in the program to
fileutils-bugs@gnu.ai.mit.edu.