Linux

Linux Terminal is often called a command prompt or shell. In the past, this was the user’s way of interacting with the computer, but Linux users found that using a shell it could execute commands much faster than the graphical way and it is still very useful today.

Oracle VM VirtualBox or simply VirtualBox is a free and open-source for general purpose full virtualization x86 and AMD64 / Intel64 hardware developed by Oracle Corporation. It is designed to run virtual machines and available for Linux based OS such as Ubuntu.

Changing Directory (or Folder) Path on linux based operating system basically can be executed via terminal interface using command line interface. In other words a specific command line can navigate you to another working directory in the computer system.