这是一本介绍linux各种技巧知识的好书，由一位细心的人总结论坛得来，是各位linux爱好者有力的工具，对老手和初学者都有用处。-This is a good book which introduce a great deal of skill and knowledge about linux,It comes from sum-up forum by a chary person,it is the powerful tool for linux fan and have useful fo