Library /sys$common/syshlp/helplib.hlb  —  RTL Routines, SMG$  SMG$ERASE_DISPLAY
    The Erase Virtual Display routine erases all or part of a virtual
    display by replacing text characters with blanks.

    Format

      SMG$ERASE_DISPLAY  display-id [,start-row] [,start-column]

                         [,end-row] [,end-column]
Additional Information: explode extract
Returns Arguments
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