说明：  这是一部关与此linux教程,但并不过与拘泥于理论方面的阐述.而是采用丰富的实例来介绍linux的进程,线程,多线程编程,存储管理, io,驱动程序等概念
(This is a clearance with linux directory but with the stick, however theoretical exposition. instead of using the wealth of examples to describe the process of linux, threads, multithreaded programming, storage management, io, concepts such as driver)