"Rules" that terminal programs follow

Hello! Recently I ran a terminal survey and I asked people what frustrated them. One person commented: There are so many pieces to having a modern terminal experience. I wish it all came out of the box. My immediate reaction was “oh, getting a modern terminal experience isn’t that hard, you just need to….”, but the more I thought about it, the...

Here’s a niche terminal problem that has bothered me for years but that I never really understood until a few weeks ago. Let’s say you’re running this command to watch for some specific output in a log file: tail -f /some/log/file | grep thing1 | grep thing2 If log lines are being added to the file relatively slowly, the result I’d see is…...

I like writing Javascript without a build system and for the millionth time yesterday I ran into a problem where I needed to figure out how to import a Javascript library in my code without using a build system, and it took FOREVER to figure out how to import it because the library’s setup instructions assume that you’re using a build system....

I added a new section to this site a couple weeks ago called TIL (“today I learned”). the goal: save interesting tools & facts I posted on social media One kind of thing I like to post on Mastodon/Bluesky is “hey, here’s a cool thing”, like the great SQLite repl litecli, or the fact that cross compiling in Go Just Works and it’s amazing, or...

Hello! I’ve been thinking about the terminal a lot and yesterday I got curious about all these “control codes”, like Ctrl-A, Ctrl-C, Ctrl-W, etc. What’s the deal with all of them? a table of ASCII control characters Here’s a table of all 33 ASCII control characters, and what they do on my machine (on Mac OS), more or less. There are about a...