Virtual Server (VPS): a physical server is divided into several virtual servers being shared by a number of customers. By itself each virtual server can be considered as individual physical server.
Because it is a virtual server may be offered options such as migration in real time, archive at low level without disturbing the system performance.
According to the customer needs, a separate operating system is installed, which support the applications only for a particular client.
VPS hosting is the solution that is between the shared (web) hosting and dedicated server.
Advantages of thevirtual server to shared hosting: