i use both windows and linux,windows is commonly used and it is desktop-friendly,and you can use it to entertain or program and so on.and there is a mount of sorftwares that you can use .on the contrary,linux is a more flexiable system which is open source,and you can define your own system feature and it is used in sever fields.some people once said:"windows occupid the desktop,but linux occupid the whole world!!",that means,even the wifi,small electronic devices and so on are all based on linux.so i have pay more attention to linux which give me challenge but also achievement.