nfsstat(1) on macOS
The text 84dbdd001640, as macOS 11.5, macOS 11.4, macOS 11.3, macOS 11.2, macOS 11.1, macOS 11.0.1 shipped it.
display NFS statistics
Flags it lists
-
-c -
-e -
-f -
-n -
-s -
-u -
-v -
-w -
-z