CHGRP(1) — UNIX Programmer’s Manual
NAME
chgrp − change group
SYNOPSIS
chgrp [ -f ] group file ...
DESCRIPTION
Chgrp changes the group-ID of the files to group. The group may be either a decimal GID or a group name found in the group-ID file.
The user invoking chgrp must belong to the specified group and be the owner of the file, or be the super-user.
No errors are reported when the −f (force) option is given.
FILES
/etc/group
SEE ALSO
4BSD