## Int 2F/AX=4A33h

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### Windows95 - CHECK MS-DOS VERSION 7

    AX = 4A33h

    Return:
    AX = 0000h for MS-DOS 7.00+
    (officially) BX,DX,SI,DS may be destroyed
    (undoc) DS:DX -> ASCIZ primary shell executable name
    (undoc) DS:SI -> CONFIG.SYS SHELL= command line (counted string)
    (undoc) BH = ??? (0000h)
    (undoc) BL = ??? (0000h)
    AX nonzero (usually 4A33h) if MS-DOS 6- or other DOS

See Also: AX=1611h - INT 21/AH=30h

Category: DOS Kernel - Int 2Fh - W

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