The prime goal of this article is to know about server virtualization. Server virtualization is the work of sectioning one server into numerous parts. The private virtual environments go by numerous names, but the most familiar is virtual private networks (VPN). Other conditions used to explain these divisions comprise containers, guests, emulations, and instances. In the majority cases, every segment of the server is capable to run its own independent working method while all of the portions run off of the similar underlying hardware.