I previously mentioned <https://list.waikato.ac.nz/pipermail/wlug/2015-August/013714.html> the old Multics OS, which was so complex and so delayed in its development that a group of folks at AT&T Bell Labs decided not to wait and created their own, less ambitious OS instead, deciding to call it “UNIX” as a sort of pun on “Multics”. Well, at long last <https://www.theregister.co.uk/2017/07/10/multics_resurrected_in_new_simulator/>, you can now run Multics for yourself. The original mainframe hardware is long gone, but today’s PCs can easily support a suitable software emulation without breaking too much of a sweat--even a Raspberry π 2, it seems, can run the emulation at something close to the speed of the early mainframe units. All it took was some suitably dedicated people to build such an emulator. And now you can download their work and try it out for yourself.