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

One of the many nice things about Linux is that there's always so much power at your fingertips. With that power comes great information that can help you troubleshoot issues or simply see how much ...

The most important networking command in Linux might be ping. This command lets you check if a remote machine is responding ...

I've been using Linux for a very long time, and from day 1, the terminal window and command-line interface (CLI) have been an integral part of my work. At the same time, I've learned that it's OK to ...

Getting started on the Linux command line might seem overwhelming at first, but the many commands you need to use will fall into place more quickly than you might imagine. If you are just getting ...

Before delving into advanced techniques, you should familiarize yourself with the command line or Terminal, Linux's powerful tool. Here, you can perform tasks by typing a sequence of commands. While ...

There are a lot of ways on Linux to make repeating commands easier than retyping them, and here's a nice collection of them. Life on the command line on Linux is clearly something most of us enjoy, ...

Sed is a non-interactive text editor that operates on piped input or text files. By providing it with instructions, you can make it modify and process text in files or streams. The most common use ...

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 However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated ...

Webminal is a GNU/Linux terminal that allows you to practice Linux commands, bash scripts, and programming languages like Java, Rust, Ruby, Python, and C. Simply sign up for a free account and you’re ...

One of the simplest ways to run a command in the background is by appending an ampersand (&) at the end of the command. This method instructs the shell to execute the command as a separate background ...