INT 2F U - Novell DOS 7 - SCRIPT.EXE - GET ???                                  
	AX = 12FFh
	BX = 0007h
	CX = 0000h
Return: CF clear if installed
	    AX = 0000h
	    BX = ??? (4426h)
	    CX = ??? (0068h)
	    DX = PSPsee Program Segment Prefix segment of resident code???
	    SI = ??? (4AFAh)
	    ES = resident code segment