Re: Could you write a BSD like os in ADA?

[Bob Broderbund <bbroderbund@broderbund.com>]

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