Learning Linux is not a simple thing, not alone a book can learn will be, in addition to the basic theoretical knowledge, but also need to learn more in-depth knowledge as well as project practice, so that you can find a more suitable job, the general situation down to say that you want to systematize the mastery of Linux knowledge, to participate in the training will take at least five months, if you learn it yourself, simple private room Theoretical knowledge of the dish will need to learn about three months.