The Network File System.

showmount - show mount information for an NFS server

showmount

   -a or --all
		  List both the client hostname and mounted directory in host:dir format.

   -d or --directories
		  List only the directories mounted by some client.

   -e or --exports
		  Show the NFS server’s export list.

   -h or --help
		  Provide a short help summary.

   -v or --version
		  Report the current version number of the program.

   --no-headers
		  Suppress the descriptive headings from the output.