INT 2F - 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 SeeAlso: AX=1611h,INT 21/AH=30h