These interactive Linux-based games teach everything from basic commands to advanced shell skills, all while keeping you ...

After that installation completes, let’s install Java 18 with this command: sudo apt-get install openjdk-18-jdk -y. ... And that’s all there is to switching between versions of Java on Linux.

More math on the Linux command line. May 8, 2025 5 mins. how-to. Making use of your command history on Linux. Apr 22, 2025 6 mins. how-to. 18 essential commands for new Linux users.

Also: 5 Linux commands for quickly finding the system information you need to know. 5. systemctl. The systemctl command is not only good for starting and stopping applications; ...

It’s a testament to how far Linux has come that users today don’t typically have to use the command line if they don’t want to. Such is the quality of the graphical user interfaces in many ...

Sure, using the Linux command line is optional. But there are a handful of commands I depend on every day. Here's what they can do for you.

The final article is a deep dive into commands that help keep Linux systems secure. It describes 22 of them that are essential for day-to-day admin work.