zfs-unload-key(8) on FreeBSD
The text f62cde25cd1c, as FreeBSD 15.1-RELEASE, FreeBSD 15.0-RELEASE shipped it.
load, unload, or change encryption key of ZFS dataset
Flags it lists
-
-L -
-a -
-i -
-l -
-n -
-o -
-r