Change versions of ms-dos

hadronn
hadronn used Ask the Experts™
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Hello,

I just upgraded a clients computer from Win98 to WinME of course along with that upgrade the MS-DOS got upgraded too.

Unfortunatelly they're using this old progie that cannot use the version of MS-DOS that comes with WinME. Is there anyway that I can revert back to the older version of MS-DOS only?

Thanks..

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Commented:
Only by making it dual boot.
Commented:
Or you can use the setver command. The setver program will "fool" most programs into thinking they are running on the version of DOS that you specify. The syntax is:

setver ProgramName n.nn

where ProgramName is the executable program that you are trying to run and n.nn is the version (such as 4.05) of DOS that you want reported to the program. Or you can type "setver /?" for a complete list of command parameters.

Scott
LeeTutorretired
Top Expert 2009

Commented:
You might be able to do it by using the DOS SetVer command. See this page for very complete information on the command, how it operates, it uses, and examples:

http://vernon.frazee.net/ms-dos/6.22/help/setver.htm
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LeeTutorretired
Top Expert 2009

Commented:
Whoops, scottrma, you got there before I did (your comment wasn't visible when I typed mine in.)  Hadronn, I would still recommend you go to the web page I showed you.  You will see a lot of valuable info, including the fact that you have to modify the WinME Config.sys file to load the Setver "driver".

Commented:
No problem, LeeTutor, when you on this site often enough, this happens from time to time (I've had it happen a couple of times myself).

Cheers

Scott

Author

Commented:
Thanks,

I'll try it out tomorrow at the client's site. But is there a way to change the actual command.com to the one that is on the Win98 sys?

Author

Commented:
Thanks dude.

Commented:
Replace the command.com? Hmmm, that would be like taking the pistons out of a Chevy and shoving them into a Honda - it might work, or you might end up blowing up your engine. Not recommended unless there is a good reason to do it.

Author

Commented:
Yeah Windows won't even let you move the command.com file around. It does a version check before it runs and then fails immediately upon execution. Returns some error sounding like "Invalid version of MS-DOS." ... Whatever.

I hope that the setver solution works. Is there any other way that you know of that I can use in order to push down the actual version of DOS without downgrading the system to windows98 entirely?

Commented:
setver is the only way I know if. Perhaps other experts might know of another way, but I doubt it, because setver was designed just for this sort of thing, and it usually works just fine.

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