Introduction - If you have any usage issues, please Google them yourself
Engineering demonstrates the basic functions of the socket, in fact, no matter how complex the network program, are using these basic functions. Function is only a client request to deal with a request to deal with the next client, so that the server processing power is very weak, the reality of the server need to have concurrent processing power! In order to require concurrent processing, the server needs fork () a new process or thread to handle requests