Excellent guide, thanks for the write up!
One thing I’d like to point out is that you can pipe output from an application into grep and then be able to use all the information above.
For instance if I want to know the full name of my wireguard interface I can just pass (pipe) the output of ifconfig into grep:
ifconfig | grep wire
Clearly the dark mode is the modern one! Jokes aside, I just realized that there THREE menu options on that toolbar: hamburger, kebab, and waffle! I realize they do different things, but no wonder people are confused by and scared of computers. Also, now I’m hungry!