shell script function

Note content: 20.1 Shell Script Introduction 20.2 shell script Structure and execution 20.3 Date Command usage 20.4 variables in a shell script Note Date: 2017-11-2120.1 Shell Script Introduction650) this.width=650; "style="

A Shell script Introduction and First specification shell Script Description 1.1 Shell script Introduction What is 1.1.1 shell?The shell is a command interpreter which is responsible for directly working with the user in the outermost layer of the

I. PrefaceShell programming is widely used in the Unix/linux world, and mastering shell programming is a must for a good unix/linux developer and system administrator. The main task of script debugging is to find out the cause of the script error

Transferred from: http://itlab.idcquan.com/linux/SHELL/727128.htmlThis paper introduces the shell script debugging technology comprehensively and systematically, including using echo, tee, trap and other commands to output key information, tracking

I. Preface Shell programming is widely used in the Unix/linux world, and mastering shell programming is a must for a good unix/linux developer and system administrator. The main task of script debugging is to find out the cause of the script error

1. What is a shell script?It is a scripting language, not a programming language.You can use some logical judgments, loops, and other syntax.You can customize the sub-function, which is a collection of system commands.Shell scripts enable automated

Original URL: http://zhu8337797.blog.163.com/blog/static/170617549201122512712136/ Command Options function BASH–X Pin Name Echo Echo Displays each row of the script after the variable is replaced

[This is my own study notes, welcome reprint, but please specify the source:http://blog.csdn.net/jesson20121020] Take a look at some of the variables in the shell today. Variable Type:There are several variables in the shell:1) Local

Shell programming BASICS (from the UBUNTU Forum) (12:49:20) Reprinted Tags:Shell Classification: programming (C ++) Http://wiki.ubuntu.org.cn/Shell%E7%BC%96%E7%A8%8B%E5%9F%BA%E7%A1%80 Why shell programming?In Linux, although there

I. Basic Shell syntax1. VariablesBy convention, Shell variables are composed of uppercase letters and underscores (_). There are two types of Shell variables:Environment VariableEnvironment variables can be transmitted from the parent process to the