mount_nfs(8) on FreeBSD
The text 43e1c90013c6, as FreeBSD 3.4-RELEASE, FreeBSD 3.3-RELEASE shipped it.
mount nfs file systems
Flags it lists
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-2 -
-3 -
-D -
-I -
-K -
-L -
-N -
-P -
-R -
-T -
-U -
-a -
-b -
-c -
-d -
-g -
-i -
-l -
-m -
-o -
-q -
-r -
-s -
-t -
-w -
-x