I became much more comfortable with the Unix environment by completing the Bandit game [0]. It teaches you various Unix tools and forces you to learn the comman

I became much more comfortable with the Unix environment by completing the Bandit game [0]. It teaches you various Unix tools and forces you to learn the command line. There are about 30 parts, each can be completed in a timespan ranging from a couple of minutes to an hour. It is mighty fun and I highly recommend it. [0] https://overthewire.org/wargames/bandit/ https://overthewire.org/wargames/bandit/