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Where GREP Came From - Computerphile
Computerphile
Brian Kernighan explains how grep came to be, written overnight by Ken Thompson, and how it got its name from the ed command g/re/p. He also covers the lineage from QED to ed that led to it.
HN commenters point to it as a short, charming first-hand account of Unix history from someone who was there.
4 Hacker News mentions · 2018–2020