A server that shares hardware and software resources with other Oss. The alternative is dedicated servers but they are not as cost-effective.
Virtual servers provide faster resource control and are popular in web hosting environments.
Virtual servers mimic a dedicated and several virtual servers may exist on one physical server.
Administrators utilizing a virtual server environment for web hosting may have different domain names, IP addresses, email, files, and logs in addition to security systems and passwords maintained as if they were on a dedicated server.