Named Pipes for process communication

A typical pipeline can only connect to related processes. A regular pipeline is created by the process and closed by the last process.

Named pipes can be used to connect unrelated processes and can be independent of the existence of a process.

The following is a server and client program implemented by the Shell for a FIFO (named pipe)-based time/date service.

1, server program

#！ /bin/sh

#time Server

While True;do

Rm-rf/tmp/time_fifo

Mkfifo/tmp/time_fifo

Date >/tmp/time_fifo

Done

2, client program

#! /bin/sh

#time Client

Cat/tmp/time_fifo

Named Pipes for interprocess communication

Named Pipes for process communication