Linux Basics--Pipe breaks

I. Overview of functions

The output of the previous command as input to the last command (this can reflect an important philosophy of Linux, that is, the combination of small commands to complete complex tasks)

Second, the basic format;

Command1 | Command2 | Command3 | ...

Third, examples:

Filter the characters in the matching pattern from the string in the echo output: echo "Hello,world" |grep-o--color ' h.*r '

Statistics/etc The number of files: ls/etc/| Wc-l

Displays the content type of each file in the/etc directory: file/etc/*

Display the 5th line of the/etc/fstab file: head-5/etc/fstab | Tail-1

This article from "Tornado" blog, declined reprint!

Linux Basics--Pipe breaks