说明：  本书在详细分析操作系统原理的基础上，用丰富的实例代码，一步一步的指导读者用C语言和汇编语言写出一个具备操作系统。
(Book on the basis of detailed analysis of the operating system principles, with the example code, a step-by-step guidance readers with the C language and assembly language to write one with the operating system.)