Oh how about zAWARE ??
– Vignesh
Mainframe Infrastructure
-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of
Paul Gilmartin
Sent: 24 January 2019 14:37
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [EXTERNAL] Re: how many OSes run on IBMz
On Thu, 24 Jan 2019 13:25:48 +0100, R.S. wrote:
>
>It depends.
>There were historical OSes like Amdahl UTS or AIX/ESA.
>There is "something" like CFCC (Coupling Facility Control Code).
>There is z/VM which is hypervisor or just OS.
>Sometimes TPF was not counted as OS even by IBM.
>There is/was OpenSolaris ported on mainframe, but AFAIK only under z/VM.
>There is CMS (part of z/VM), which currently can ruch only under z/VM,
>but AFAIK in the past it could run on bare metal as well.
>There are many zLinux distros like Debian, Fedora, SUSE, Redhat,
>Slackware, Ubuntu...
>
How do you count PR/SM, sort of a hyperhypervisor, so:
PR/SM : z/VM :: z/VM : CMS ...
Nowadays, most of the others won't run on "bare metal", only under PR/SM.
-- gil
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