chkgrp(8) on FreeBSD
The text b1f9d5d5a6a8, as FreeBSD 11.1-RELEASE shipped it.
check the syntax of the group file
Flags it lists
-
-q
The text b1f9d5d5a6a8, as FreeBSD 11.1-RELEASE shipped it.
check the syntax of the group file
-q