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, ...

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 ...

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 ...

Working on the command line is an integral part of being a successful Linux user. You need to have a firm grasp of certain commands to work effectively. There are even certain commands that you must ...

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, ...

Linux offers more freedom than other operating systems, but you’ll need a bit of technical know-how to maximize its potential. If you’re interested in learning about the powerful and sleek operating ...

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 ...

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 ...