本书在详细分析操作系统原理的基础上，用丰富的示例代码，一步一步的知道读者用C语言和汇编语言编写一个具有操作系统基本功能的操作系统框架-Book on the detailed analysis of the basis of the principles of operating systems, with a wealth of sample code, step by step, know readers the basic functions of an operating system