What is it you want to do? Just learn or do something with it? You won't learn something like that by reading. You have to actually use a terminal to accomplish

What is it you want to do? Just learn or do something with it? You won't learn something like that by reading. You have to actually use a terminal to accomplish things. Often. Start using linux and develop something. You'll use about 3 terminal instances all the time. That's the way to learn.