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Newsgroups: comp.lang.ada
Subject: Re: How to detect OS type and version?
From: Bernd.Specht@gmx.com (Bernd Specht)
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Date: 13 Oct 2005 20:41:47 GMT
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Date: 2005-10-13T22:41:47+02:00
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Michael Bode <m.g.bode@web.de> wrote in news:87u0flf93a.fsf@code-hal.de:

> Bernd.Specht@gmx.com (Bernd Specht) writes:
> 
>> If you cannot determine a linux system as described above, then try to
>> open a file that is typically for windows (e.g.
>> "c:\winnt\system32\command.com"). If you get _no_ exception, then you
>> are on a windows system. To find the version, look for the file
>> "prodspec.ini" (in c:\winnt\system32 and in c: \system32). You can
>> find the Window type (2000, XP) and the build number. But - not on all
>> Windows systems :-( (Win98 do not have this file). 
> 
> It has not to be "c:\winnt". The correct path is "%Systemroot%" and
> for that you must read the environment variable. 
> 

But as he doesn't know the os, he cannot read an environment variable. 
Personally I've never seen a Windows system on a different drive (older 
versions of Windows required C: which often gave problems with OS/2 on same 
drive). Beside this you can try C:, D: ...