The Roots of UNIX for the IBM Mainframe (part 1)

When I was a freshman at Princeton University in the 1974-75 school year the computer center hosted, for the state of New Jersey educational system, an IBM System/370 Model 158 running the marvelously interactive APL\360 system. It shared a room with Princeton's System/360 Model 91 which was an amazing beast but only ran batch jobs. … Continue reading The Roots of UNIX for the IBM Mainframe (part 1)