1. Windows
1.1. Pons
1.1.1. With Windows 8, Microsoft is adding the tile-centric Metro interface from Windows Phone 7, an app store, improved mobile broadband support and better instant-on and instant-off abilities.(http://allthingsd.com/20120216/apples-mountain-lion-and-microsofts-windows-8-both-aim-to-make-desktop-more-like-mobile/)
1.1.2. New node
1.2. Cons
1.2.1. Linux News - When it comes to some of the more negative backlash regarding Windows 8 Consumer Preview, I’ve heard on more than one occasion such claims as, “If they don’t fix X, I’m switching to Mac or Linux“.(http://www.kevingilmour.net/2012/compare-ubuntu-11-10-mac-os-x-windows-8/)
1.2.2. New node
2. Mac Os X
2.1. Pros
2.1.1. Ubuntu and OS X is highly similar in looks but they have major differences in function. Because of this, different parts of each OS is easier than the other.(http://techreviewsandhelp.com/2012/02/12/os-x-vs-ubuntu/)
2.1.2. New node
2.2. Cros
2.2.1. OS X 10.8 is Apple’s first release since the introduction of iCloud – their free online storage service.http://www.omgubuntu.co.uk/2012/02/mountain-lion-features-ubuntu/
2.2.2. New node
3. Ubuntu
3.1. Pros
3.1.1. Today’s Ubuntu has integrated a more casual (and touch) friendly UI, called Unity, which was first brought into the picture to make using a netbook with Ubuntu easier.(http://www.kevingilmour.net/2012/compare-ubuntu-11-10-mac-os-x-windows-8/)
3.1.2. New node
3.2. Cons
3.2.1. While Ubuntu has come a long way at becoming as painless experience as possible, this is still Linux and there is going to be times you'll be scratching your head wondering why something didn't work.(http://nerdbusiness.com/blog/ubuntu-advantages-over-windows-mac-osx)
3.2.2. New node