shell script read line

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="

What is 20.1 shell? The shell is the intermediate medium used when the system interacts with the computer hardware, and it is just a tool of the system. In fact, he has a layer of things between the shell and the computer hardware-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

: Network Disk DownloadContent Introduction· · · · · ·This book is a comprehensive tutorial on Linux command-line and shell script programming. The book is divided into four parts: the first part introduces the Linuxshell command line, the second

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

Common shell: -------------- from "laruence's Linux private dish" In the early UNIX era, there were many developers, so shell had many versions based on the developer's differences, such Frequently heard Bourne shell (SH ),C shell,Commonly used

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