Re:On the strange joys of mainframe OSes that have survived ...
by lproven on Monday September 26, 2022 @10:23AM
(#32983499)
Yes, no argument there.
All I'd say is this: "midrange" is an IBM sales concept, and I don't think it was ever really used much outside IBM.
"Minicomputer" is a generally-accepted industry term, or at least, it was once. Minicomputers were not specific to IBM, just as mainframes weren't either.
Source: me, two decades doing IBM sysprog on AS/400s and z/OS.