包含几个用不同方式（共享内存、socket、FIFO、消息队列等）实现进程通信的小程序，包含详细注释，足以解释各种方式进程通信的实现原理和编程方法,Contains a number of different ways (shared memory, socket, FIFO, message queue, etc.) to achieve the process of the small communications program, including detailed notes, are sufficient to explain the various ways the realization of the process of communication theory and programming methods