Virtuozzo Containers is software, that is used to generate virtual servers on a physical hosting server. It allows VPS accounts to be set up and managed independently of each other, so each one can have its very own OS in addition to a fixed and ensured quantity of system resources, for instance CPU time, disk space, physical memory, etc. You can start, stop or restart the server, to install many different software packages, to perform a variety of maintenance tasks, to create firewall rules and even to reboot the entire server to its original state employing a very intuitive web interface. You can also keep an eye on the used and the available resources and on the running processes, to have an idea if the eventual development of your websites will require a package upgrade as well. Virtuozzo provides you with full control of your VPS and you are able to control everything without difficulty, even if you do not have a lot of experience.