The LOCK command sends a SCSI Prevent Media Removal command
    to the media robot.  Consult your hardware documentation for
    a description of the results of this command for your
    particular media robot.
    Format

    LOCK [ROBOT robot_name]

1  –  Parameter

    robot_name - The name for the media robot.

2  –  Example

    The following MRU example locks the door on a TLZ07 tape loader:

    $ ROBOT LOCK ROBOT GKA401