Virtuozzo Containers is a widespread virtualization platform, which is used to make virtual servers on physical machines. Each VPS created with it is a separate software emulation of a server, so it has its own OS. The resources are also preset, thus when you get a VPS package with certain CPU, RAM and disk space allocations, they are always readily available and won't be shared with some other customer on the server. The Virtuozzo Containers software is exceptionally intuitive and user-friendly, so even if you do not have a lot of experience, you'll be able to control your entire server through a web-based graphical interface. With a couple of clicks, you can easily start/stop/reboot your virtual machine, manage firewall rules, set up server-side software and do plenty of maintenance tasks. You may also keep track of the amount of system resources your sites use in real time and all of this info can show you if you'll need an upgrade as you expand your web presence. When needed, you can even reset the whole VPS to its original software installation.