Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...

Linux runs on hardware as diverse as the Raspberry Pi and powerful supercomputers, making it a flexible choice of operating system. Linux can be used via a graphical user interface similar to Windows ...

Sudo lets you run any terminal command as another user — hence "substitute user" — but the default and most common use for it ...

Linux commands run from the nearly obvious to the very complicated, but there are many ways that you can easily remember and use even the most obscure commands. Some Linux commands are very easy to ...

Linux is a powerful operating system that also happens to be the most secure platform on the market. With plenty of security features and sub-systems, anyone using the open-source OS can add even more ...

Linux is constantly evolving, and with it the tools that its fans use on a daily basis. However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated ...