CHGRP(1)                                                 CHGRP(1)

     NAME
          chgrp - change file group

     SYNOPSIS
          chgrp [ -ou ] group file ...

     DESCRIPTION
          The group of each named file is changed to group, which
          should be a name known to the server holding the file.

          A file's group can be changed by the file's owner, if the
          owner is a member of the new group, or by the leader of both
          the file's current group and the new group.

          The -o and -u option are synonyms; they specify that the
          owner is to be set, rather than the group.  They are inef-
          fectual unless the file server is in the bootstrap state
          that permits changing file ownership.

     SOURCE
          /sys/src/cmd/chgrp.c

     SEE ALSO
          ls(1), chmod(1), stat(2)