该程序完成了linux下基于多线程的服务器端的程序，初学者通过运行可以进一步了解多线程的编程，同时为可以和多进程相比较各自的优缺点做一个起步的台阶-Procedures are completed under linux based on multi-threaded server-side program, beginners can learn more by running multi-threaded programming, as well as can and multi-proce