本教程为《操作系统原理教程（第二版）》。由计算机硬件组成出发，分析操作系统的功能、发展例程和方向。根据操作系统功能将其划分为多个功能模块，并就各个模块进行详细的解析。学习过本教程后，就可以对操作系统的结构框架由比较系统的了解。-Tutorial for the " principle of the operating system Tutorial (second edition)."　By the computer hardware components, the analysis of the functions of the operating system, development and direction of routine. Function in accordance with the operating system will be divided into multiple functional modules, each module on a detailed analysis. After learning this tutorial, you can structure the operating system from a more systematic framework for understanding.