Category: <b>virus/antivirus</b>
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<pre><b>INT 21 - VIRUS - "Durban" - INSTALLATION CHECK</b>

	AH = DEh
Return: AH = DFh if resident
SeeAlso: AX=DAFEh,AX=DDEFh,AH=DEh"April 1st",AX=DEADh"90210"
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