Oracle VM has been inaugurated Lunedi' slid to Oracle Open World convention to Saint Francisco and offers the virtualizzazione of Oracle software and it is not on linux that on windows to prices, to said of Oracle, remarkablly inferior to those of the contenders.

The hypervisor, this the name of the system, is available to the download free, while the technical attendance is obviously to payment ($499 per year, for system, on serveur with one or two CPU, or $999 for a limitless number of CPU).
For greater comparisons you dismissal to this link.

It marks it near: