gnop(8) on FreeBSD
The text 3eaf6e66d1a3, as FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE, FreeBSD 13.0-RELEASE shipped it.
control utility for NOP GEOM class
Flags it lists
-
-P -
-S -
-Z -
-c -
-d -
-e -
-f -
-o -
-p -
-q -
-r -
-s -
-v -
-w -
-x -
-z