管道通信即发送进程以字符流形式将大量数据送入管道，接收进程可从管道接收数据，二者利用管道进行通信。程序由linux下的C实现，文件中有3个管道通信程序，第一个是无名管道通信，后两个是命名管道通信。-Pipe communication that is sent to a stream of characters to process large amounts of data into the pipeline, the receiving process can receive data　the pipeline, both of which use pipes to communicate. Program by C implementation under linux, file has three pipes communication program, the first one is unnamed pipe communication, the latter two are named pipe communication