December 2025
Intermediate to advanced
896 pages
25h 4m
English
Content preview from Linux Bible, 11th Edition
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CHAPTER 7Writing Simple Shell Scripts
You'd never get any work done if you typed every command that needs to be run on your Linux system when it starts. Likewise, you could work more efficiently if you grouped together sets of commands that you run all the time. Shell scripts can handle these tasks.
A shell script is a group of commands, functions, variables, or just about anything else you can use from a shell. These items are typed into a plain‐text file. That file can then be run as a command. Linux systems have traditionally used system initialization shell scripts during system startup ...
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