Command Line TV is a video podcast to help youlearn and master the Unix shell. Informally, ‘Unix’ refers to afamily ofoperating systems that includes GNU/Linux, Mac OS X, and FreeBSD. Operatinga computer via the command line gives you tremendous power and flexibility,but it’s not easy to learn. We’re here to help! We start from thebeginning, but also try to include some tips suitable for intermediateusers. Each video is about 20 minutes long, and we aim to release a newepisode every week or so.