


In order to integrate functions of the host system to the guests, including shared folders and clipboard, video acceleration and a seamless window integration mode, guest additions are provided for some guest operating systems. It comes with a Qt GUI interface, as well as headless and SDL command-line tools for managing and running virtual machines. VirtualBox is in constant development and new features are implemented continuously. VirtualBox is a hypervisor used to run operating systems in a special environment, called a virtual machine, on top of the existing operating system.
