nfsidmap(5) on Linux
The text 6285a4252cb0, as Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
The NFS idmapper upcall program
Flags it lists
-
-c -
-d -
-g -
-h -
-l -
-r -
-t -
-u -
-v