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
- 20.1 shell script describes the- 20.2 shell script structure and executes- 20.3 date command usage- 20.4 shell the variables in the script # 20.1 shell Script Introduction- shell is a scripting language attention
First, Shell script introductionShell scripts to write well, you must continue to practice writing to write well, there is no shortcutTo have a general idea of a script when we get a demand, think of how the need to achieveShell scripting can
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
Shell Script Introduction
Shell is a scripting language Aming_linux (public number) blog.lishiming.net (blog)
You can use logical judgments, loops, and other syntax
Functions can be custom-defined
The shell is a collection of system
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
67. Shell Script Introduction, shell script structure and execution, date command usage, variables in shell scriptFirst, Shell script introductionThe shell is a scripting language aming_linux blog.lishiming.netYou can use logical judgments, loops,
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
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
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