zfs-unmount(8) on FreeBSD
The text 1f8c0d3114df, as FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE, FreeBSD 13.2-RELEASE, FreeBSD 13.1-RELEASE shipped it.
manage mount state of ZFS filesystems
Flags it lists
-
-O -
-a -
-f -
-l -
-o -
-u -
-v