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2F4800

Category: keyboard enhancers

INT 2F - DOS 5+ DOSKEY - INSTALLATION CHECK

	AX = 4800h
Return: AL = nonzero if installed
	    (DOS 5.0 and 6.0 return AX=AA02h, Novell DOS 7 returns AX=EDFFh)
	    ES = segment of DOSKEY resident portion
	    DX = ??? (Novell DOS only; 02E6h for shipped v0.01)
Notes:	DOSKEY chains if AL is not 00h or 10h on entry
	this function is supported by Novell DOS 7 DOSKEY
SeeAlso: AX=4800h"PCED",AX=4810h

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