linux入门笔记，纪录了作者学习linux的心得与体会，与其他linux入门资料相比，该资料更具有可操作性，非常难得，希望对学习linux而不知如何入门的人有所帮助-linux entry notes, records the author' s ideas and experience to learn linux, linux and other introductory information compared to the more operational information