VirtualBox is software that runs on Windows, OS X, Linux, and Solaris, capable of full virtualization. Full virtualization allows VirtualBox to run OSes entirely different than the OS it is running on ...

Virtualization has become a fundamental technology in the world of computing, allowing organizations and individuals alike to maximize their hardware resources, improve efficiency, and enhance ...

If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.