The NFSv4 client is not dumb, as it implements delegations and can recall them from a client after they are granted. Unlinking a file over NFS has also been im

The NFSv4 client is not dumb, as it implements delegations and can recall them from a client after they are granted. Unlinking a file over NFS has also been implemented as renaming to a temporary file, so slight of hand intelligence was present in earlier versions.