------------------------  CLS - Internal DOS Command  --------------------------

CLS clears the screen display.

FORMAT:   CLS

REMARKS:

   This command clears the entire screen display.  If screen colors have been
   set using "Extended Screen Control" functions, the color setting remains in
   effect after the screen is cleared.  Otherwise, the screen is reset to white
   characters on a black background.

EXAMPLE:  Clear the screen

          CLS
