> Genera is an operating system, originally developed in the early 1980s, by Symbolics.<p>> … a fork of the LISP Operating System developed at MIT. Virtual memory, a full GUI and window manager, neworking, Emacs… this thing had it all.<p>I’d never heard of Genera until today. I read about it earlier this morning in an article on <i>non-C operating systems</i>¹.<p>> Symbolics, the company which owned the first ever dotcom domain, built an entire OS in Lisp, called Genera. The last version, OpenGenera, ran on an emulator on DEC Alpha workstations, and today you can run it on Linux, but sadly the inheritors of the defunct company won't open-source it.<p>¹ <a href="https://www.theregister.com/2022/03/29/non_c_operating_systems/" rel="nofollow">https://www.theregister.com/2022/03/29/non_c_operating_syste...</a>