If you want to know more about init systems, it's important to first understand the systemctl and service commands and their underlying differences.
Sometimes it's just faster and easier to use the command line on Linux. Who needs a GUI, anyway?
pstree lets you view running processes on a Linux system in a tree-like format. Here's how you can install and use it on your PC.
If you've somehow forgotten your Ubuntu password, don't worry, it's easy to log back in to your system by resetting the password.
Sometimes, when you try to run a command as the root user using sudo, you receive a "command not found" error. Here's how to fix it.
Learn dependency management using the ldd command to better administer your Linux machine and installed packages.
The which, whereis, and whatis commands may sound similar to a Linux newcomer, but they are more different than you might think.