[Simh] Alpha simulator performance

[Eric Smith]

I would say Unix (and its derivatives) and VMS are Operating Systems.
Windows is an Application.  Takes VMware to run it.

Eric

On Apr 20, 2012, at 9:00 PM, Alexander Schreiber <als at thangorodrim.de> wrote:

> On Fri, Apr 20, 2012 at 09:01:11PM -0400, Dan Gahlinger wrote:
>>
>> NT is not VMS or a reimplementation of it.
>
> Well, it isn't straight VMS - but definitely based on VMS. I remember
> being in university and working my way through a VMS internals book (out
> of interest) and a short while later going through a lecture about modern
> OS internals which was based on Windows NT (IIRC 3.51 or so). Woah, that
> certainly was full of déjà vu moments "wait, this is just like in VMS,
> but with some of the serial numbers filed off".
>
> Given that Cutler was the core architect on both, that isn't exactly
> surprising. Even though some of the later silly ideas (putting the entire
> GUI subsystem into kernel mode to speed up graphics) were not his fault.
>
> Kind regards,
>            Alex.
> --
> "Opportunity is missed by most people because it is dressed in overalls and
> looks like work."                                      -- Thomas A. Edison
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