/sys$common/syshlp/helplib.hlb EXCHANGE, DISMOUNT, Example  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  EXCHANGE> MOUNT/FOREIGN MTA0:
  EXCHANGE> COPY MTA0:AVERAGE.FOR/VOLUME_FORMAT=DOS11 *
  EXCHANGE> DISMOUNT MTA0:

      The first command in this example mounts the tape on the device
      MTA0. The second command in this example transfers a file from
      the magnetic tape to the current default directory. The last
      command releases EXCHANGE's access to the volume; however,
      the volume is still mounted on the operating system and is
      accessible to OpenVMS.