Adventures online

Fred Cisin cisin at
Thu Jul 23 17:34:38 CDT 2020

>> Q: What is the definition of mainframe?

On Thu, 23 Jul 2020, Grant Taylor via cctalk wrote:
> Something you buy from IBM?  ;-)
> I'm going to say something that runs a mainframe OS.
> This includes IBM's zPDT & RDz which are software emulators.  It also 
> includes a P/390-E, et al., card that has a physical S/390 processor.
> I bet that Hercules qualifies here too.  But that's an /emulated/ mainframe. 
> Much like zPDT & RDz.

How about the XT/370?  or XT/360?
(I couldn't afford one)

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