Int 2F/AX=122Fh

AX = 122Fh
DX = DOS version number (0000h = return true DOS version)

Notes: Not available under DR DOS 5.0 or 6.0, or Novell DOS 7. Supported by FREEVER.COM, a freeware DOS version faking TSR by Matthias Paul

See Also: INT 21/AH=30h - INT 21/AX=3306h - INT 2F/AX=E000h"SETDRVER"

Category: DOS Kernel - Int 2Fh - D