非常详细地分析了linux下串口通信的程序，有具体的方法思路以及完整的源代码。-A very detailed analysis of serial communication under linux procedures. And there is a specific way of thinking, as well as complete source code.

分析嵌入式Linux系统的启动过程，仔细地分析介绍来启动部分的源码。-Analysis of embedded Linux system, boot process, a careful analysis of introduction to start the part of the source code.