Newsgroups: comp.os.msdos.djgpp,comp.os.msdos.programmer
Subject: Re: Detecting Windows and Windows directory from DOS
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From: dgdavis AT nyx10 DOT nyx DOT net (DONALD G. DAVIS)
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Date: Mon, 20 Mar 2000 21:25:28 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

"AndrewJ" <luminous-is AT home DOT com> writes:

>Lot's of solutions have already been provided, but I didn't see anyone
>mention this one.  Why not just try opening C:\MSDOS.SYS and checking if the
>first 7 characters is equal to [Paths].  If it's some strange binary value,
>you don't have Windows '9x installed, if it is there, you can get just about
>all the windows installation information you like.  Unless the user is
>incredibly perverse and has changed the contents of the file. =)

	Better search the *whole* MSDOS.SYS for a line beginning with that
string...it need not be the first seven characters.
							--Donald Davis