From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Newsgroups: comp.os.msdos.programmer,comp.os.msdos.djgpp
Subject: Re: WARNING: DOS is about to die.
Date: Wed, 8 Sep 1999 10:15:10 +0200
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On Wed, 8 Sep 1999, Endlisnis wrote:

> > At least on Windows 9X there is a way to control how frequently does
> > Windows refresh the DOS box.  I don't know if it works on NT.
> 
>   Do you mean the 'idle' measurement thingy?

No, I mean the WindowUpdateTime parameter in SYSTEM.INI.  By default,
Windows checks the memory area where it maps the video RAM of the DOS
box every 200 msec (I think).  You can make this time smaller (by editing
SYSTEM.INI and putting, e.g., WindowUpdateTime=100 in the [386Enh]
section), and then the refresh will be faster.  Of course, the rest of
Windows will run a bit slower after that, but sometimes you don't
care...

As I said: I don't know if this will work on NT.