nfsstat(1) on macOS
The text 4971f41ef945, as macOS 15.3, macOS 15.2, macOS 15.1, macOS 15.0 shipped it.
display NFS statistics
Flags it lists
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-3 -
-4 -
-E -
-c -
-e -
-f -
-n -
-s -
-u -
-v -
-w -
-z