2025-12-23 18:38 UTC
Several news outlets reported the amazing discovery of a 1970s Fourth Edition Research Unix magnetic tape. I incorporated the tape’s source code into the Unix History Repository hosted on GitHub and studied the code’s composition. Here's what I found.
https://www.spinellis.gr/blog/20251223/?ms261223
Replies (2)
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@jaj@mastodon.social 2025-12-23 23:46
@CoolSWEng@mastodon.acm.org That is awesome! The conf function in cp.c is fascinating. Didn't they have printf back then? https://github.com/dspinellis/unix-history-repo/blob/Research-V4-Snapshot-Development/usr/source/s1/cp.c
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@aburka@hachyderm.io 2025-12-24 05:25
@CoolSWEng@mastodon.acm.org for the timings, shouldn't you be looking at the maximum timestamp, not the average timestamp?