The prime goal of this article is to know about server virtualization. Server virtualization is the perform of sectioning single server into numerous parts. The private virtual environments go by numerous names, but the most ordinary is virtual private networks (VPN). Other terms used to explain these divisions comprise containers, guests, emulations, and instances. In most cases, every portion of the server is capable to run its own autonomous operating method while all of the portions run off of the similar underlying hardware.