This command requires read and write access to the export
    database. The following restrictions and instructions apply:

    o  Do not use wildcards within a UNIX directory specification.

    o  For each host, define both its host name and any alias names.

    o  For each entry, use uppercase and lowercase consistently.

    o  If you remove an export entry and replace the entry using
       different options; each client must dismount and remount for
       the new options to take effect.