Note that this features is a bit complicated and we only recommend it for advanced users. You can read more about how to mount your shared folders in the VirtualBox manual. Take Snapshots of ...

Oracle VM VirtualBox can useful for testing new operating systems, running programs that are incompatible with your computer, or testing how software or Web pages perform on several different systems.

I downloaded the Oracle Linux disk image for ARM machines and configured the VirtualBox app to run an unattended install, a method that creates a user account and sets the password that you select.