@hailey@hails.org @gsuberland@chaos.social @ldcd@social.treehouse.systems @whitequark@social.treehouse.systems It's apparently a bashism for allowing nonprinting characters in PS1 and other such environment variables, but the manual doesn't mention details of why you'd want to use it. https://www.gnu.org/software/bash/manual/bash.html#Controlling-the-Prompt-1