Re: Looking for MS-DOS 5.0 Compatibility Tricks...

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#11291

From: Joe Morris
Date: Thu, 20 Jun 1991 20:59

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hartnegg@sun1.ruf.uni-freiburg.de (Klaus Hartnegg) writes:

>janeri@Lise.Unit.NO (Jan Eri) writes:

>>Did you remember to reboot after issuing the SETVER command?

>If this is really necessary (what I doubt) what shall I do if I have 
>one program that needs version 5 and another one that refuses
>to work unless it is running on a specific dos version.

>Do I have to boot every time I want to switch between these
>two programs? Great!

SETVER works on a program name basis: the fake version number it returns
is a function of the name of the program which issued the return-version-
number interrupt.  Thus, you can have MSCDEX.EXE think it's running on
DOS 4.00 while VDISK.SYS believe that we're still running DOS 3.3.

Joe Morris

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From: jcmorris@mwunix.mitre.org (Joe Morris)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: Looking for MS-DOS 5.0 Compatibility Tricks...
Message-ID: <jcmorris.677451579@mwunix.mitre.org>
Date: 20 Jun 91 20:59:39 GMT
References: <1991Jun16.043650.7990@vpnet.chi.il.us> <1991Jun17.173153.17151@ugle.unit.no> <1991Jun20.121241.1190@sun1.ruf.uni-freiburg.de>
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