As you will see in the examples below, the bash shell provides plenty of commands for testing, looping, creating functions, and annotating your scripts.

The working examples presented here assume a basic familiarity with command-line syntax, simple shell constructs and some of the not-so-uncommon Linux commands. Even so, the command-line examples are ...

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.

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… ...

It's not hard to create and run a shell script in Linux distros like Ubuntu, but there are a few non-obvious pitfalls you need to avoid. Here's a quick example of how to execute a script in Linux.

In the final script, of course, you won't echo the entered password, as that's not so good from a privacy and security perspective. To test for length, it's easy to use wc -c, but there's a special ...

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