Welcome to the world of Linux, the operating system developed by thousands of people around the world! In this article, you find out about Linux itself — what it is, where it comes from, and why it gets so much attention. Prepare to have your assumptions challenged about how software must be developed and sold, and your mind opened to new possibilities.

The Ubuntu installation process is one of the simplest in the Linux world. Ubuntu guides you through all the steps required to set up the system, then installs the entire Ubuntu system without prompting you for too much information.You can start the installation process from two locations after you boot from the Live DVD or USB stick: Directly from the boot menu without starting Ubuntu From the Install desktop icon after you start the Ubuntu Live system Both locations start the same installation process, which guides you through several steps of options.

Troubleshooting is like reading a mystery novel. You have some facts, symptoms, and details, but you don’t know whodunit. You have to take whatever information you have, work with that data, weigh the various possibilities, and then narrow them to a single suspect. Finally, you need to test your theory and prove that your suspect is the guilty party.

Simplicity has become the hallmark of the GNOME 3 desktop environment for Linux. There aren't any long menus from which you need to select things from, nor do you need to go digging through folders looking for files, but getting comfortable with the new interface may take some time. This discussion walks through the basic features of the GNOME 3 desktop so you can maneuver your way around.

If you only have a single hard drive available in your PC, you need to create separate areas (called partitions) on the hard drive for Windows and Linux. This article walks through the process of how to do that, but first, you need to understand how partitions work.Three types of partitions are available: primary, extended, and logical.

GPG includes the tools you need to use public key encryption and digital signatures on your Linux system. You can figure out how to use GPG gradually as you begin using encryption in Linux. The information you find here shows some of the typical tasks you can perform with GPG to protect your Linux system. How to Generate the key pair with GPG in Linux The steps for generating the key pairs are as follows: Type gpg --gen-key.

Like any other OS, Linux needs to be protected with a firewall. A firewall is a network device or host with two or more network interfaces — one connected to the protected internal network and the other connected to unprotected networks, such as the Internet. The firewall controls access to and from the protected internal network.