From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00
	autolearn=unavailable autolearn_force=no version=3.4.4
Path: 
 eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED!not-for-mail
From: Bob Broderbund <bbroderbund@broderbund.com>
Newsgroups: comp.lang.ada
Subject: Re: Could you write a BSD like os in ADA?
Date: Wed, 24 Aug 2016 15:15:06 +0000 (UTC)
Organization: Aioe.org NNTP Server
Message-ID: <npkdlq$1sh0$1@gioia.aioe.org>
References: <79e591f0-3c3e-42b2-ad1f-3e59a031531e@googlegroups.com>
 <ng9l30$rc9$1@gioia.aioe.org>
 <94756e03-7788-4032-a70b-3a0468fc3af9@googlegroups.com>
 <npe0vu$h1p$2@dont-email.me> <npecae$gch$1@gioia.aioe.org>
 <npehqh$p71$1@gioia.aioe.org>
 <19705580-c6d7-49cf-a830-a5707734071e@googlegroups.com>
NNTP-Posting-Host: yO51eGMsmM7FenuypAjw8Q.user.gioia.aioe.org
X-Complaints-To: abuse@aioe.org
X-Notice: Filtered by postfilter v. 0.8.2
Xref: news.eternal-september.org comp.lang.ada:31544
Date: 2016-08-24T15:15:06+00:00
List-Id: <comp.lang.ada>

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?

> - IBM VM/CMS

No.

> - 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.

> 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