Virtual server that appears to the user as a dedicated server, but that is actually installed on a computer serving multiple websites. A single computer can have several VPSs, each one with its own operating system (OS) that runs the hosting software for a particular user.

The software-created emulation of a physical server within a powerful host server. A single physical host server can be configured to run several virtual private servers, each running its own operating system and applications, and having dedicated resources such as RAM, memory and storage.