This article covers the complete installation guide of VirtualBox on the CentOS 8 system. Oracle VirtualBox is a virtualization software solution that allows you to create and run virtual machines on a single hardware machine. With VirtualBox, your existing operating system stays unaffected by the virtual environment.To Start VirtualBox on Linux:Use the command:$ VirtualBoxThe VirtualBox manager interface will prompt you.Alternatively, you can use the graphical interface and access the application:Application >> System Tools >> Oracle VM VirtualBox