Originally drafted as a thread on hackers.town, after Abbie Normal asked me to expand on a side comment in a discussion of documentation. There’s a story old Unix beards tell about how they learned Unix. We just read all the manpages, they say, that’s how well written they are, you don’t need to read anything else or take any classes. Maybe also pick up a copy of K&R if you’re a little iffy on C. I consider myself an old Unix beard, even though I don’t have a beard and I only got in...