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
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
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
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
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
Why shell programming?
In Linux, although there are a variety of graphical interface tools, ghost is still a very flexible tool. Shell is not only a collection of commands, but also a very good programming language. You can use shell to automate a
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