> but I don't actually know what system in the past decade (or more) wouldn't have bash. I think MacOS still has bash, so that it, technically, doesn’t count,

> but I don't actually know what system in the past decade (or more) wouldn't have bash. I think MacOS still has bash, so that it, technically, doesn’t count, but it doesn’t have a bash from the past decade, and uses zsh by default.