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Date: Wed, 24 Aug 2016 08:37:58 -0700 (PDT)
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Subject: Re: Could you write a BSD like os in ADA?
From: already5chosen@yahoo.com
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Xref: news.eternal-september.org comp.lang.ada:31545
Date: 2016-08-24T08:37:58-07:00
List-Id: <comp.lang.ada>

On Wednesday, August 24, 2016 at 6:15:09 PM UTC+3, Bob Broderbund wrote:
> On 2016-08-23, already5chosen@yahoo.com <already5chosen@yahoo.com> wrote:
> > On Monday, August 22, 2016 at 12:49:07 PM UTC+3, Bob Broderbund wrote:
> >> On 2016-08-22, Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
> >> > On 22/08/2016 07:01, J-P. Rosen wrote:
> >> >> Le 22/08/2016 ?? 02:18, Andrew Shvets a ??crit :
> >> >>> What would you consider to be a well designed operating system?
> >> >>
> >> >> VMS! :-)
> >> >
> >> > Yes, VMS was likely the best OS ever.
> >> 
> >> Close.. try another permutation of the same letters!
> >> 
> >> Hint: it's the oldest OS still in development and production, and processes
> >> 95% or more of the world's financial transactions.
> >>
> >
> > IBM MVS/zOS is ~42 y.o. It is certainly not the oldest OS still in
> > development and production.
> 
> MVS started in 1964. That's 52 years, not 42. Bad day to play hooky from
> math class?

No, you had a bad day in history class.
MVS first shipped in 1974 as OS/VS2 Release 2.

> 
> > - IBM VM/CMS
> 
> No.

Yes.

> 
> > - UNIX (current variants may have no code from 40+ y.o. original, but many
> >    APIs are still here).
> 
> No. You really have no understanding of computing history. At all.

I do. You don't.

> 
> > 95% figure with regard to transactions sounds very questionable. Most
> >likely you made it up. Especially considering that there is no consensus
> >definition for "financial transaction". 
> 
> There is a consensus and the figure I quoted was conservative. It's
> generally agreed to be in the high nineties.
> 
> Bob

You can believe whatever you want. I don't have to share your belief until you bring some proof.