Cloud computing with Linux OS?

i read in many sites that Linux OS is the best OS for cloud computing. is that true?

and if true, what about the processing time,security?

and what are the advantages and disadvantages of using it for cloud computing?Cloud computing with Linux OS?
The benefits of cloud computing鈥攁ccessing your data and applications stored on remote hardware by way of the Internet instead of keeping it all in your local workstation鈥攕till requires a leap of logic for many. But now that a workstation can go anywhere as a smartphone, a stripped-down netbook, or even an e-book reader, it's practically a virtual desktop operating in conjunction with a virtual server anyway. If the user can be anywhere, so can the source for data and applications.Cloud computing with Linux OS?
Your going to have to explain what you mean by "cloud computing" because it means a whole lot of different things to different people.

Do you mean:

Using a low powered device (netbook or tablet) to access applications on the web using a browser?

Or

Using a central server as a collaborative meeting site were multiple workstations share data

Or

Using leased computing power to set up virtual machines to dynamically add computing power on demand

Or

Using a distributed computing model where hundreds or thousands of computers to form a supercomputer over the Internet

There are other descriptions, but you get the idea.

"Cloud computing is just a buzzword. You'll need to decide what model you are talking about before there can be a real answer to your question.