Run old versions of UNIX for PDP-11 and x86 on modern hardware

https://www.osnews.com/story/143866/run-old-versions-of-unix-for-pdp-11-and-x86-on-modern-hardware/

Thom Holwerda Nov 18, 2025 · 1 min read
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The contents of this repository allow older versions of UNIX (ancient UNIX) to run easily on modern Unix-like systems (Linux, FreeBSD, macOS, among others).

↫ Run ancient UNIX GitHub page

With the guides in this repository, you can easily run Versions 1/5/7 UNIX and 2.11BSD UNIX for the PDP-11 and Version 7 UNIX for x86 (ported to x86 by Robert Nordier in 1999, with patches in 2006-2007). That’s it.