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From: Florian Weimer <someone@deneb.cygnus.argh.org>
Subject: Re: Project: FreeOS
Date: 2000/01/13
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Ted Dennison <dennison@telepath.com> writes:

> NT isn't really backward-compatable with any previous OS, and was not
> created until about 1994 or so I believe.

Work on NT started a bit earlier, I think, although it was called OS/2
3.0 then.  This doesn't mean that the OS/2 3.0 actually shipped has
much in common with NT 3.1, the actual OS/2 3.0 is based on OS/2 2.0
technology.

On the other hand, NT includes quite a few backwards-compatibility
features (DOS, WoW, OS/2, POSIX).