What Does Xen Hypervisor Mean?

Xen is a hypervisor that enables the simultaneous creation, execution and management of multiple virtual machines on one physical computer.

Xen was developed by XenSource, which was purchased by Citrix Systems in 2007. Xen was first released in 2003. It is an open source hypervisor. It also comes in an enterprise version.

Techopedia Explains Xen Hypervisor