INT 2F U - Novell NetWare - TASKID v1.0 - INSTALLATION CHECK
        AX = 7A18h
Return: AL = FFh if installed
            BX = configuration flags (see below)
            CX = resident code segment
SeeAlso: AX=7A10h

Bitfields for configuration flags:
 bit 0  INT 2F hooked
 bit 3  INT 08 hooked
 other  unused

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