在linux平台上实现两个进程之间的交互。一客户进程向一远程进程提交一道作业；远程进程完成作业后向客户进程返回执行结果或者是结束的信息。-in achieving process between the two interactive. A process to a client process to submit a long-range operations; Remote operations after the completion of the process to the client process to the implementation of the outcome or the end of the message.