Category: <b>shells/command interpreters</b>
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<pre><b>INT 21 - Volkov Commander - INSTALLATION CHECK</b>

	AH = 2Bh
	CX = 5643h ('VC')
	DX = 4F4Dh ('OM')
	AL = function number
	    00h get left window data address
	    01h get right window data address
	    02h get address of general variables
Return: AL = 00h if Volkov Commander installed
	    AH = version code (27h for v4.00.039)
	    ES:BX -&gt; requested data
Program: Volkov Commander is a Norton Commander-like DOS shell
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