chgrp(1) on OpenBSD
The text 24b364fde0bc, as OpenBSD 7.5, OpenBSD 7.4, OpenBSD 7.3, OpenBSD 7.2, OpenBSD 7.1, OpenBSD 7.0, OpenBSD 6.9, OpenBSD 6.8, OpenBSD 6.7, OpenBSD 6.6 shipped it.
change group
Flags it lists
-
-H -
-L -
-P -
-R -
-h