2010-01-22 R.S. <[email protected]>:

>> Best guess I've heard recently is something like 4000 z/OS, 1500 z/VM,
>> 1500 z/VSE, under 100 z/TPF. But those are clearly darts; the rankings
>> are about right, but that's the only part I'd bank on. And barely
>> that...
>
> I would like to see the numbers above with avg MIPS for every kind of OS. I
> guess that MIPS number is much higher for TPF and z/OS and quite low for
> VSE. Last but not least: I do not expect to much (any?) customer with z/VM
> and no other OS. Including zLinux.

Right. And when VM had 20,000 licences, most of them were running
PROFS on CMS. (Remember the Reagan White House, and Ollie North...)

Tony H.

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