A great way to learn the basics. It’ll be old, but that’s ok. It’s going to cover all the shell basics and then more. It’s still going to be useful, it’ll cost you pennies, you’ll be able to dip into it when you want, and you’ll be giving to a good cause.
Exactly! The old books cover the terminal commands really well and almost everything will still apply. If you read it cover to cover, you’re going to end up knowing more commands than most daily users of Linux and it’d help you with any networking / IT courses you intend to study.