We covered some of the reasons for switching to Linux from Windows or OSX in our last article in the 'Set your computing free' series, in this article we will cover the basics of getting Linux up and running on your computer. Firstly, a word of causion; following this article will alter the filesystems on your harddrive, and could potentially damage any operating systems which you currently have installed on your computer. Personally, I run only Linux on my computer, but it is possible to install it alongside Windows or OSX. Just back stuff up - just in case. Okay, disclaimer over - on with the show.
Background
This article covers the basics of getting Linux installed on your computer, either as the primary operating system or 'dual boot' with either Windows or Mac OSX. Linux comes in a variety of 'flavours' known as distributions (or 'distros') - most of these are available for free, but some are available for purchace with a variety of additions or support. For this particular installation guide we will be working with the Ubuntu distribution of Linux - I have selected this version for the guide as it is freely available, community driven, and has good, free, online support available. Before we get started, you will need to have the following available:
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Broadband internet (to download Ubuntu)
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A backup of anything you do not wish to lose! (just in case)
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A blank CD and CD Writer (or a USB stick and a computer which can boot from USB)
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At least 2GB harddrive space free (for dual boot, installing Ubuntu as your only operating system will wipe the whole harddrive)