We told you earlier in the year about the trio of Brits who bought an IBM System/360 mainframe computer from the mid 1960s off of a seller in Germany, only to find in the long-abandoned machine ...
Computers like the IBM S/360 or 3090 are hard to find ... One problem with the mainframe environment is that there are a bunch of operating system-like things like MVS, VM/CMS, and TSO.
IBM mainframes would play host to a few other operating systems like OS/360, PCP, and DOS/360. Other mainframes were around, but IBM would remain a pioneering force in computing for the next ...