groupadd(8) on OpenBSD
The text 0efb82b14012, as OpenBSD 6.0, OpenBSD 5.9, OpenBSD 5.8, OpenBSD 5.7, OpenBSD 5.6, OpenBSD 5.5, OpenBSD 5.4 shipped it.
add a group to the system
Flags it lists
-
-g -
-o -
-v