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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Y21C Bug
Date: 2000/01/04
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In article <84sltt$7s3@ftp.kvaerner.com>,
  "Tarjei T. Jensen" <tarjei.jensen@kvaerner.com> wrote:
> That does not change the fact that it is very unlikely that
> there will be any machines with a 32bit Unix outside museums
> in 2038 and that they will not run out of time any time soon.

But all 64-bit unixes support 32-bit applications! I am
including here Solaris, DEC-Unix, IRIX.

> Transitioning from a 32 bit to a 64 bit Unix world is probably
> painful for a lot of software vendors. But this is a process
> that is going on today.

Yes, but the "process" very often involves deciding to run
applications in 32-bit mode. Indeed in many cases this makes
more sense, since many applications have absolutely nothing
to gain from 64-bit mode, and quite a bit to lose (increased
memory usage, which given cache behavior translates to
increased run-time).

> All the
> big vendors either have transitioned to a 64 bit Unix or are
> planning to do so. I don't remember whether Linux is 32 or 64
> bit

Then you are definitely not quite up on things, given that
Linux most often is running on x86 machines which are 32-bits
by nature.

Will the ia-32 have disappeared 30 years from now? I would not
be so sure of the answer to this :-)

> Regardless, by 2038 the migration will be over a long time
> ago.

Well I hope that others are not taking this head-in-the-sand
viewpoint, or we may have another Y2K fiasco :-)


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