gunion(8) on FreeBSD
The text 332b5a84f8ad, as FreeBSD 15.1-RELEASE, FreeBSD 15.0-RELEASE, FreeBSD 14.5-RELEASE, FreeBSD 14.4-RELEASE, FreeBSD 14.3-RELEASE, FreeBSD 14.2-RELEASE, FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE shipped it.
control utility for UNION GEOM class
Flags it lists
-
-S -
-Z -
-f -
-o -
-r -
-s -
-v