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

    Closes a mounted disk or tape volume for further processing and
    deletes the logical name associated with the device.

    Requires the GRPNAM (group logical name) and SYSNAM (system
    logical name) privileges to dismount group and system volumes.

    Format

      DISMOUNT  device-name[:]

  Additional Information (explode) :

• Parameter
• Qualifiers
• Examples