mount_nfs(8) on OpenBSD
The text ff80c1dc5514, as OpenBSD 7.9, OpenBSD 7.8, OpenBSD 7.7, OpenBSD 7.6, OpenBSD 7.5 shipped it.
mount NFS file systems
Flags it lists
-
-2 -
-3 -
-I -
-R -
-T -
-U -
-a -
-b -
-c -
-d -
-g -
-i -
-l -
-o -
-r -
-s -
-t -
-w -
-x