Working with your new Linux OS using its Terminal window through the VirtualBox user interface will get you started and can be used for configuring the most basic settings of your new server. A more convenient, efficient, and professional way of accessing your server's command line is by using a terminal emulator program and SSH. A terminal emulator is an external program running outside VirtualBox in a separate window on your OS. It can be used exactly the same way as your server's main black and white Terminal:
It has a lot of convenient features, such as easy copy and paste in clipboards from your OS window and ...