AWK is a pattern-scanning and processing language that searches one or more files for records (usually lines) that match specified patterns. It processes lines by performing actions, such as writing ...

What are Command Line Arguments and why would you use them? Command line arguments are extra commands you can use when launching a program so that the program's functionality will change. Depending on ...

The shell does far more than run commands. Here’s how Bash expands your input behind the scenes so you can write cleaner, ...