Virtualization has many uses. You can use it to test another operating system, run applications that your OS does not support, or even maintain virtual servers within one or more virtual machines.
KVM (kernel-based virtual machine) is a Linux virtualization tool that makes use of hardware-assisted virtualization (also called native virtualization) using processor technology such as Intel VT-x and AMD-V. Red Hat’s Virtual Machine Manager now has support for KVM, making it easy to setup a virtual machine with a free graphical interface. It is also available for Fedora, Gentoo, FreeBSD, Ubuntu, and many other operating systems.
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KDE offers one of the most comprehensive and flexible notification systems (KNotify). In addition to system notifications, nearly every program has notification settings that are integrated into the larger desktop environment. Moreover, KDE’s notification system is configurable for just about any type of user, including those who need specific accessibility features.
Internet security and privacy are two topics that are frequently in the news. Those Internet users who use the BitTorrent protocol to share files are perhaps more aware of these security and privacy issues than others. Many government agencies, special interest groups, corporations, and hackers with malicious intentions monitor torrent downloads and look for people to catch, sue, or attack.
Text appearance is probably one of the most underrated features of any computing experience. It is easy to overlook fonts because words are all around us, and we expect them to be pleasing to the eyes and easy to read, but probably only notice when they are not.
Since its official inclusion in KDE, the
Video game consoles, particularly the Xbox 360 and PlayStation 3, are increasingly becoming more than just gaming devices. They have become complete entertainment systems. You can now watch Netflix, Hulu, YouTube, and other streaming video content. You can purchase and listen to music, and with the new Xbox 360 dashboard update coming this fall, you can even watch exclusive live content from cable providers.
Once in a while, an indie game comes out that reminds us that great games need not come from huge companies with large development budgets. Steel Storm was one such game, as my 
The number of truly free and open source games available for download is small in general, but in terms of genre, first-person shooters (FPS) have plenty of representation. This is largely due to the 3D engines that have been released into the free software community, which lend themselves well to FPS games. The Cube Engine 2 is one such 3D system, and Red Eclipse is the latest FPS to utilize it. Version 1.0 of Red Eclipse was just released a few weeks ago, and I decided to give it a try. It is free to download for Linux, BSD, Mac OS X, and Windows