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Date: Wed, 7 Sep 2022 09:52:24 -0400 (EDT)
From: Steve Nickolas <usotsuki@buric.co>
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Subject: [TUHS] Re: Has this been discussed on-list? How Unix changed Software.
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On Wed, 7 Sep 2022, Dan Cross wrote:

> Second, I have it directly from folks who worked on Hyper-V that it is
> neither based on Unix/Linux, nor strongly influenced by either VMWare
> or Xen. It was an entirely in-house project at MSFT that probably
> includes more DNA strands from Windows than Unix et al. Some of the
> stories about clashes with Cutler to change the Windows startup
> sequence to accommodate Hyper-V are interesting (short version:
> Cutler, in typical fashion, didn't want to and early versions of
> Hyper-V basically booted under windows, then "took over" the running
> machine so that Windows resumed, but suddenly in a VM where it had not
> been before).

That sounds like what Compaq's CEMM (a.k.a. EMM386) did with MS-DOS.

-uso.