Denys writes:

> If one takes the time to read the caption at the link you so thoughtfully
> provided, one would see that Windows XP offers the possibility to start an
> application, be it 16 or 32 bits in a virtual machine that will emulate an
> earlier version of a Windows operating system.  That is new.
Compatibility
> Mode is not new on Windows, but emulating one of a choice of earlier OS,
> that is something the HP 3000 does not do.

...because the e3000 has been upwardly compatible (not perfectly, but
darned near), so there has been no need to "choose one."  Then again,
given the various "service packs" (and MPE PowerPatches), choosing an
OS likely causes XP to assume the most recent service pack.

But this whole choice implies to me an acknowledgement that things were
not upwards compatible.  Otherwise, why choose at all?  Unless XP is
actually allowing old PM-like apps to continue to function.

That strikes me as much more difficult than -- and not as useful as --
continuing to provide DOS, which I understand XP does not include.
I wonder if that (DOS) will be the primary use of the virtual machine.

Without getting into OS wars (really!), I find it terribly ironic
that XP is ditching the command line at very nearly the same time
as the Mac is adopting it.

--Glenn

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