WHAT IS UBUNTU?
Many people know what Ubuntu is and some people don't. Just in case you do not know what it is; It's an Operating System(OS), like Windows or Mac and so on. Ubuntu is a complete desktop linux OS, freely available with both community and professional support.
You might have already heard of Linux before. It is an operating system on it's own but there are many flavors of Linux being that it is an Open Source OS.