At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: echo "$foo" This simple variable turns into its assigned value. However, ...

Before you take the plunge and devote time and hardware to experimenting with Linux, let's cover the basics of this free OS. Though its design varies substantially from what you are used to in the ...

Bash functions are essentially reusable wrappers around commands. You can use them to define complex command pipelines or to perform some detailed work and echo the result. They accept arguments and ...

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start. Creating a script on a Unix or Linux system can be dead easy or ...

Linux is one of the popular operating systems and has seen wide adoption across the globe. It is an open-source, Unix-based operating system with many distributions for computers, embedded systems, ...

If you're gearing up to be a cybersecurity pro, you must have Linux skills. Linux Basics for Hackers will quickly get you up to speed. If you’re contemplating a career in cybersecurity and haven’t ...