INT 21 O - DR DOS 6.0 - GET FILE OWNER AX = 4306h DS:DX -> ASCIZA NUL-terminated ASCII string. The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h. Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. filename Return: CF clear if successful AX = CX = value set with AX=4307h CF set on error AX = error code (see #01680 at AH=59h/BX=0000h) Note: no longer supported by Novell DOS 7 / OpenDOS SeeAlso: AX=4307h