INT 21 - DOS 2+ - "EXIT" - TERMINATE WITH RETURN CODE AH = 4Ch AL = return code Return: never returns Notes: unless the process is its own parent (see #01378 [offset 16h] at AH=26h), all open files are closed and all memory belonging to the process is freed all network file locks should be removed before calling this function SeeAlso: AH=00h,AH=26h,AH=4Bh,AH=4Dh,INT 15/AH=12h/BH=02h,INT 20,INT 22 SeeAlso: INT 60/DI=0601h