what use of echo command in unix

Write by jtianling )--Blog.csdn.net/vagrxie Discuss newsgroups and documents This article is only writtenSummary of various process creation methods (MacOS, Win32, Linux, QT,Python……) When I found that there was a problem with inserting a large

Echo command instance The echo command is a built-in shell command used to display the value of a variable or print a line of text. The echo command plays an important role in building shell scripts. Syntax: # Echo [Options] [String] The items in

Echoecho [OPTIONS] [string]-print STRING plus a line break-N Do not print end of line break-E After the string is escaped and printed-E does not escape string for direct printingFindFind [-h| l| P] [starting-point] [expression]The default

The 20 good habits to be used in Unix are: 1) create a directory tree in a single command. 2) change the path. Do not move the archive. 3) combine commands with control operators. 4) exercise caution when referencing variables. 5) Use escape

Level: Intermediate By Michael Stutz From: IBM developerworks China Link: http://www.ibm.com/developerworks/cn/aix/library/au-badunixhabits.html When you often use a system, it is often in a fixed usage mode. Sometimes, you do not get into the

A Brief Study of some basic command line text editing programs that can save time and effort. Text editing is usually performed interactively in the text editor application. However, some tasks can be conveniently and quickly completed directly from

This document compares PowerShell and Unix Shell, usually Linux Bourne Shell, including sh, ksh, and bash ). There is a big difference between the two. The biggest difference is that PowerShell uses objects as basic operation units, while Unix Shell

Article Title: Unix uses escape and reference to manage metacharacters. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and

Remember: the operations on the affected system may change the existing evidence or lead to the loss of sensitive information! {Initial response }} Objective: To obtain the loss-prone data in the system before judicial authentication and replication,

Life goes on and on go Go go!!! When you use Go to develop an app, you sometimes encounter situations where you need to read static resources. For example, to develop WEB applications, the program needs to load the HTML of the template file