Virtuozzo Containers is a popular virtualization platform, which is used to make virtual servers on physical machines. Each VPS made with it is an independent software emulation of a server, therefore it has its own OS. The resources are also fixed, so if you purchase a VPS plan with certain disk space, RAM and CPU quotas, they are always available to you and will not be shared with any other customer on the server. The Virtuozzo Containers software is really intuitive and easy to use, so even if you do not have much experience, you will be able to manage your entire server with a web-based graphical interface. With a couple of clicks, you will be able to start/stop/reboot the virtual machine, manage firewall rules, set up server-side software programs and do many different maintenance tasks. You may also track the amount of resources your web sites use live and all this info will inform you whether you need upgrading when you expand your web presence. When needed, you can even reset the entire VPS to its original software installation.