在嵌入式linux系统中，文件系统是一个非常重要的组成部分，如果根文件系统工

作不正常，则整个系统将无法工作，系统启动的时候会出现kernel pannic的大故障报警。

首先简要的介绍一下建立嵌入式的文件系统所需要的必要的文件夹：-In the embedded linux system, the file system is a very important part, if the root file system is not working properly, then the whole system will not work, the system will be started when the kernel pannic large fault alarm. First a brief introduction to the establishment of an embedded file system that the necessary folders: