The EXIT command is used to return the user to the DCL command level
 when Show Cluster is executed in the /CONTINUOUS mode.  The original
 terminal characteristics are restored and the terminal's screen is
 cleared.  The DCL prompt will appear in the upper left corner of the
 screen.

 When Show Cluster is executed in the /NONCONTINUOUS mode, the user
 is returned to the DCL command level after all data has been
 displayed.  The one exception is if an initialization file is present
 and the initialization file changes the screen width.  In this case,
 Show Cluster waits one display update interval before returning.


 Note:  CONTROL-Z has the same effect as typing EXIT.
        CONTROL-C restores the original terminal characteristics, however,
                  the screen is not cleared and the DCL prompt will appear
                  in the lower left corner of the screen.
        CONTROL-Y causes Show Cluster to exit immediately.  Terminal
                  characteristics are restored upon image run-down.