Apr 27, 2026
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This is a site that maps the references on Gary Overacre's 1980s UNIX Magic poster to short write-ups with sources. I posted an earlier version about a year ago [1]. Since then I rewrote some of the annotations, added deep-linking to individual markers and a frame/sidebar view, gave the site a terminal-style redesign, and fixed historical inaccuracies (daemon etymology, nroff origin, B language vs. Multics, etc.).Contributions and comments welcome; each marker is a GitHub issue.site: https://unixmagic.net[1] https://news.ycombinator.com/item?id=43019136
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