virtualbox full screen mode code example
Example 1: virtualbox fullscreen resolution
sudo apt-get install virtualbox-guest-dkms
sudo dpkg-reconfigure virtualbox-guest-dkms
Example 2: how to get full screen in virtualbox
Right Ctrl + F
sudo apt-get install virtualbox-guest-dkms
sudo dpkg-reconfigure virtualbox-guest-dkms
Right Ctrl + F