Int 21 Fn 6A U - DOS 4+ - Commit File [D] AH = 6Ah BX = file handle Return: CF clear if successful AH = 68h CF set on error AX = error code (06h) (see AH=59h) Note: identical to AH=68h in DOS 5.0-6.0; not known whether this is the case in DOS 4.x See Also: AH=68h