Int 7F Fn 42 - Alloy Ntnx - Unlock File For User [N] AH = 42h AL = user ID DS:DX -> ASCIZ filename Return: AL = status 00h successful 01h invalid function 02h already locked 03h unable to lock 04h lock table full See Also: AH=00h,AH=41h"NTNX",AH=42h"MW386"