showmount shows status information about the NFS server on
host. By default it prints the names of all hosts that have NFS file systems mounted on the host. See
NFS: Network File System Protocol Specification,, RFC 1094, Appendix A, and
NFS: Network File System Version 3 Protocol Specification,, Appendix I, for a detailed description of the protocol.
-a
List all mount points in the form:
host:dirpath
-d
List directory paths of mount points instead of hosts
-e
Show the host's exports list
-3
Use mount protocol Version 3, compatible with NFS Version 3.