It's sad how almost nobody teaches old UNIX goodies these days. I don't remember how I learned about man page sections but certainly nobody taught me. Some people on Reddit discovered script(1) after I used it to crash grsec. What's your favorite less well known UNIX tool/trivia?
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`tsort` is available most everywhere and has a few interesting uses https://en.wikipedia.org/wiki/Tsort
Wow, that is obscure. Basically a dependency resolver. I'm pretty sure I can find a use for that.
