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King of the operating systems is Windows. Despite the facts, that this OS (operating system) is not safe, is not cheap, has limited customization, requires quite fast computer, it’s still the most popular OS. Let’s look at the completely safe, completely free and fully customizable alternative – Linux.

How to get the Ubuntu Linux operating system to download and install the ubuntu-restricted-extras package that allows mp3, DVD and video playback as well as support for Flash and the Java Runtime Environment.

How to switch over to Linux and use free, open source software.