Usage: showmount -e server Show all shares exported by the NFS server. showmount -a server List both the client hostname ...

Usage: showmount -e [server]    Show all shares exported by the NFS server.
       showmount -a [server]    List both the client hostname or IP address and mounted directory in host:dir format.
       showmount -d [server]    Show directories on the NFS server that are currently mounted by some NFS client.