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The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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Clears the screen.
 
CLS [{0 | 1 | 2}]
 
    CLS      Clears either the text or graphics viewport. If a graphics
             viewport has been set (using VIEW), clears only the graphics
             viewport. Otherwise, clears the text viewport or entire screen.
    CLS 0    Clears the screen of all text and graphics.
    CLS 1    Clears the graphics viewport or the entire screen if no graphics
             viewport has been set.
    CLS 2    Clears the text viewport.
 
See Also    ◄VIEW►    ◄VIEW PRINT►    ◄WINDOW►