本章试图以顺序的方式来解释Linux源代码，以帮助读者对源代码的体系结构以及很多相关的unix特性的实现有一个很好的理解。目标是帮助对Linux不甚了解的有经验的C程序员对整个Linux的设计有所了解。-This chapter attempts to explain the way in order Linux source code to help the reader to the source code architecture, and many related features to achieve unix have a good understanding. Goal is to help the Linux do not know what experienced C programmers understand the whole design of Linux.