一个很简单的操作系统(版本五)

说明：  这是第五个版本的简单操作系统,教你编写操作系统的进程,这可是操作系统中最有挑战的部分哦!
(This is the fifth version of the simple operating system, the operating system of your preparation process, However, this operating system is the most challenging part of Oh!)