Branching the thread away from Compaq deskpro boards: "What We Have Lost"

Zane Healy healyzh at
Sun Aug 1 22:24:05 CDT 2021

> On Aug 1, 2021, at 5:51 PM, William Donzelli <wdonzelli at> wrote:
>> z/OS runs on IBM Mainframes, there is also “IBM i”, which was previously called OS/400.
>> Last I checked, GCOS-8 is still running, but with Itanium end-of-life, I’m not sure what on.  It’s been a niche market for decades.  I’d argue that it was a serious niche when I was using it in the early 90’s.
> It is amazing how many people - IBMers included - that simply do not
> realize that Unisys exists, and both MCP and OS2200 are modern, up to
> date operating systems running on quite a lot of sites in the real
> world.

Actually I should remember that one as well…  I supported a Unisys mainframe, after I worked with GCOS-8, though I spent most of my time with HP-UX and SunOS at that time.


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