15 votes

"Mainframe" with Z80

I'm confident that the answer is "no", for two reasons: Z80-based system with the multiple megabytes of RAM that would be needed for something of the complexity of MVS have existed, but ...
  • 9,723
8 votes

"Mainframe" with Z80

Maybe a silly question but has there ever been a mainframe OS running on a Z80 system, I'd say rather not - at least not as anything past some for fun/for learning projects. of course with ...
  • 195k
3 votes

Does anyone have any information on GUTS (Gothenburg University Timesharing System)?

I know for certain that Trinity College Dublin used GUTS on their IBM 360/44. I studied there from 1975-1979 and personally used it. It was phased out around 1978-1979 when they got a new DECSystem 20....

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