exportfs(8) on Linux
The text 5fd0f70fc1b8, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it.
maintain table of exported NFS file systems
Flags it lists
-
--debug -
-a -
-d -
-f -
-i -
-o -
-r -
-s -
-u -
-v