Chicago Sun-times tries Ubuntu and sees it as perfect for a 2nd PC and that you can run it alongside Windows if you want
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So with Ubuntu, for example, getting your display running at full resolution merely requires that from the menu bar, you click on System >Administration >Synaptic Package Manager. Then search for the name of your video card, and then click a button to download and install the right drivers. Even better, package managers help you locate virtually any free software you might ever need.