Virtual Private Server

A VPS (virtual private server) hosting is the type of web hosting service whereby a company or an individual uses virtualization software and technologies to divide a server into several virtual servers and makes them available to interested clients. Even though they’re not physical dedicated servers, these virtual environments appear as if they are. One can rightly say that VPS is a fusion of dedicated server and shared web hosting service.
In a virtual private server hosting (VPS) service, a client can install a different operating system in his/her own environment and the OS can be rebooted separately from others on the same physical machine. Generally the provider assigns shares of server resources, such as disk space and bandwidth limit, to every virtual server environment.
VPS is recommended for shared hosting clients whose websites constantly overuse their quotas of server resources. Overall, the restrictions placed by shared web hosts on their clients’ accounts make it nearly impossible to continue using their services.
Be aware that you can upgrade from shared web hosting to a VPS account, if your current hosting provider offers it. If it doesn’t, these are VPS service providers that can move your account free of charge to their services without any hassle: