What is main difference between Linux hosting and Windows hosting?

I want to know main difference between Linux hosting and Windows hosting? Which is the Best one?

Thanks in Advance

In short, if you use ASP applications, Windows platform is for you. If not, Linux is the best choice.

Linux is more efficient in terms of using resources and more secure than Windows hosting. But if you want to use ASP and other Windows software then Windows hosting is the most preferable.

I appreciate with answer of nomanali.
Linux-based hosting is more popular, it has more of the features web designers expect. So unless you have websites which need specific Windows applications, Linux is the preferred choice.