Samsung 51-Inch 3D TV With 3D Blu-ray Player and Glasses, $1019

Samsung's PN51D6500 is a 51-inch plasma HDTV with Internet connectivity and very good standard and 3D image quality (read our review for details). Normally the HDTV alone sells for around $1400. Right now, though, BuyDig.com has a great deal: $1039 gets you the HDTV, a Samsung BD-D5500 3D Blu-ray player, and two pairs of active-shutter 3D glasses, with free shipping. Enter coupon code SeasonsDigging20 at checkout and watch the price fall to $1019.

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Lenovo IdeaPad

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How We Test Antivirus Software and Security Suites

Want to choose the most effective security software for your PC? Learn more about how we evaluate antivirus utilities and security suites.By Nick Mediati, PCWorld  

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Linux: A Getting-Started Guide

Are you fed up with Microsoft Windows and ready to give Linux a try? Here's how to get started. This guide for Linux discusses who the Linux OS is right for, what you need to get started, and how to turn your Windows PC into a dual-boot computer so you can have the best of both worlds--Linux and Windows.

Why Try Linux?

Linux will never be as popular a desktop operating system as Microsoft Windows or Mac OS X, but there are some good reasons to give Linux a try.

For starters, you can download and install Linux for free. Applications that run on Linux machines tend to be free as well, and they include PC essentials such as office productivity suites, image editing software, and video editing tools. Though Linux is not immune to viruses, malware is rarely a concern in the Linux world, especially for home users. And because Linux is less of a PC resource hog than Windows and the Mac OS, it's ideal for use with a laptop, a netbook, or an older desktop.

Finally, as Web services and HTML5-based apps play an increasingly dominant role in our computing lives--from music services such as Pandora to Yahoo Mail to Google Docs to Bing Maps to countless games--the operating system begins to play second fiddle to the Web. Linux is a dirt-cheap alternative to dropping $500 on PC that can run Windows 7.

Who Should Use Linux?

Linux can be a good choice for anyone, but two types of users are likely benefit most from Linux: power users and nontechnical users.

Power users will enjoy Linux, because it's a flexible, highly customizable OS that they can adapt to suit their needs in such areas as the look of the desktop or the ability to prevent any extra software from adding bloat to the system.

Linux is also great for nontechnical users who just want a computer that's easy to use, has many applications available for download, and doesn't require a lot of maintenance. Thanks to Linux distributions such as Ubuntu that are easy to install and use, Linux is no longer "difficult to use."

What Is Linux?

Linux is a Unix-like open-source operating system that uses the Linux kernel as its base and comes packaged with basic software, including a lot of components from the GNU (pronounced Guh-new) project.

The Wildebeest in the Room

There is some debate among Linux users about whether it's correct to call the open-source operating system Linux or GNU/Linux to reflect the fact that Linux distributions are loaded with software from the GNU Project. GNU is another Unix-like operating system, but one that lacks a usable kernel. Typical pieces of GNU that you're likely to come across in Linux include the Bash shell and assorted command-line utilities, GNU Emacs, Gnu Image Manipulation Program (GIMP), GNOME, and GNASH (a Flash player replacement).

Know Your Components

Three main elements of a Linux operating system come up often in discussions of Linux: the distribution, the desktop environment, and the Linux kernel. These components, along with software from GNU, constitute the basic parts of your Linux distribution.

Distribution

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Panasonic Announces 20X-Zoom Pocket Camera, Full-Featured Rugged Camera

Four new Panasonic point-and-shoots were unveiled today, including the 20X-optical-zoom Lumix ZS20 and the durable Lumix TS4, which is packed with a barometer, an altimeter, and full manual controls.By Tim Moynihan, PCWorld  

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Salesforce.com Launches Desk.com Help-desk Service

By Chris Kanaracus, IDG News

Salesforce.com on Tuesday unveiled a new SaaS (software as a service) help-desk application called Desk.com that can reach end users through social networks like Facebook and Twitter.

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Oracle Handed Setback in HP Itanium Case

By John Ribeiro, IDG News

A court in California rejected Oracle's bid to use a fraud claim to undo an agreement to support the Itanium processor, that it is said to have made with Hewlett-Packard.

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Apple Appeals IPad Trademark Decision in China

By Michael Kan, IDG News

Apple has appealed a Chinese court ruling last December that rejected its ownership of the iPad trademark in the country, and could expose the company to trademark infringement lawsuits from a local company.

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