使用C语言编写了一个守护进程程序，先令其在Ubuntu中实现开机自启动。然后又将其移到Android中，并在Android中也实现了守护进程开机自启动。-The use of C language, a daemon process, start to realize it in the Ubuntu boot from the start. Then move it in Android, and Android is also a guardian of the process of boo

此文档主要讲解linux守护进程的基本概念和写linux守护进程的基本步骤，并给了一个简单的例程序。-The basic steps of this document mainly explain the basic concept of the Linux daemon and write Linux daemon, and give a simple example program.