VirtualBox software is a virtualization tool that allows s to run multiple operating systems on a single computer. It s various guest operating systems such as Windows, Linux, and macOS. It provides features like snapshotting, which allows s to save the state of a virtual machine and revert to it later, and remote machine display, which enables s to access virtual machines remotely. It also s USB device sharing and seamless mode, which integrates virtual machines with the host operating system.