$ls -lR /var/lib/nfs/rpc_pipefs /var/lib/nfs/rpc_pipefs: total 4 drwxr-xr-x 2 root root 4096 Feb 28 22:08 nfs
/var/lib/nfs/rpc_pipefs/nfs: total 0
$ls -lR /var/lib/ nfs/rpc_ pipefs nfs/rpc_ pipefs:
/var/lib/
total 4
drwxr-xr-x 2 root root 4096 Feb 28 22:08 nfs
/var/lib/ nfs/rpc_ pipefs/ nfs:
total 0