Of all the Linux commands, rm is notorious. It's easy to completely wipe out your system with one mislaid rm command as root.

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

Most Linux distributions are considerably more secure than Windows out of the box. There are many reasons for that, including the inherent user and file permissions structure, the addition of ...

SCO filed legal action against IBM in the State Court of Utah for misappropriation of trade secrets, tortious interference, unfair competition and breach of contract. The complaint alleges that IBM ...

Linux might sound scary for first-time Linux users, but actually, it isn’t. Linux is a bunch of open-source Unix operating systems based on Linux Kernel. These operating systems are called Linux ...

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 However, some of the classics such as iptables , which has been replaced by nftables , are now not only outdated ...

I've been using Linux for what seems like forever. Over the years, I've noticed that I use the command line less and less, because the GUIs have just gotten so much better. Even still, there are ...

How the true and false commands work, and how to put them to use on the command line and in scripts. True and false are common concepts in all forms of computing. They’re critical to Boolean logic ...

Logs, databases, and caches grow under /var. Learn why Linux admins monitor the /var directory to prevent disk issues and service failures.