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Actually not DEC PDP's had multiple OS's and not all of them where bundled RT-11 vs RSX-11 or RSTS/E. You brought the system that suited we (as a Lab) ran RT-1

Actually not DEC PDP's had multiple OS's and not all of them where bundled RT-11 vs RSX-11 or RSTS/E. You brought the system that suited we (as a Lab) ran RT-11.