Ubuntu (Xenial Xerus) 16.04
- Free (GPL)
The best free operating system out there ...free Not only that, but its code is available to any and everyone who wants to create derivative systems To see how seriously Ubuntu has taken ...
- PROS: Completely free operating system, Very quick and easy to use, Easy Windows installer, Ubuntu One syncs with mobile devices
- CONS: Can be difficult to install external components, Tricky to get used to after using Windows