Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

Many Linux-based machines run Bash as their standard scripting engine, but some distributions, like Alpine and Debian, don't. Testing your script with other shells can help with portability.

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

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Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script.