

This. If you do a search for Linux command wallpaper, you’ll find a version I used to get myself going.
My old team was a small windows team and a large *nix team. I was always scrounging for work, and I had been playing with Linux and bsd/Mac for a awhile. My manager added me to the patching team with a shadow. I was good within a few months for most things.
It’s best if you have a goal in mind, like with programming.
They gave out two huge blocks right before Christmas break at my Catholic high school every year. Delicious. We were pretty poor then, so it did help.