At the time of the z900 announcement, IBM introduced a new naming convention 
for all their Servers:

zSeries (z = for near zero downtime) - known as S/360, S/370. S/390 etc
pSeries (p = performance) - known as RS/6000
iSeries  (i = integrated) - known as AS400
xSeries (x = Intel X architecture) - known as Netfinity


________________________________
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of 
z/OS scheduler <000007b0d5270c64-dmarc-requ...@listserv.ua.edu>
Sent: 03 March 2025 15:59
To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU>
Subject: Re: The mainframe is alive

Ask yourself why IBM called it z-series(end of the line/migrating from MVS
to unix) and not A-Series(The beginning of a new life for MVS)?
Because they knew that opening from the closed network with only CICS
terminals, to TCPIP+hackability+++, was the end of the mainframe.

I am just as sad as anyone else, but that is the reality of it all...


J.

Op ma 3 mrt 2025 om 15:54 schreef Phil Smith III <li...@akphs.com>:

> Confused by:
> > But, that does not make a z/ server a mainframe.
>
> What does that mean?
> -----Original Message-----
> From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf
> Of z/OS scheduler
> Sent: Monday, March 3, 2025 10:50 AM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: The mainframe is alive
>
> re: ... lot more secure from hackers...
> Welll... that is just the thing... opening it up, is what is making it
> less secure... I do agree, IBM "programmers" will take code from the
> hackers posting new Linux source code and properly scrutinize it before
> including it into SuSE, which is why if one look at  cve.mitre.org and
> the likes, IBM does not really feature there because they do things
> properly. But, that does not make a z/ server a mainframe.
>
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