说明：  该文档详细的说明了嵌入式开发的硬件\操作系统,并且以LINUX为例,详细的介绍了嵌入式开发的过程,涉及多个方面.
(The document detailed description of the development of embedded hardware \ operating system, and to LINUX example, a detailed introduction to the embedded development process that involves many aspects.)