rpc.umntall(8) on FreeBSD
The text 85d98677b140, as FreeBSD 4.7-RELEASE, FreeBSD 4.6.2-RELEASE, FreeBSD 4.6-RELEASE, FreeBSD 4.5-RELEASE, FreeBSD 4.4-RELEASE shipped it.
notify NFS servers about unmounted NFS filesystems
Flags it lists
-
-e -
-h -
-k -
-p -
-v