Private Servers are based on the Virtuozzo technology. This divides a hard drive into several drives which are then independant from one another. Each of these drives represents what we call a Private Server, and manage their own resources. You will be the administrator of your server, and will have the same rights as on a dedicated server. You will have root access to the virtual hard drive and to the resources of your Private Server, as well as the ability to install the applications you need. PLESK 10 for free included.