CODE EXAMPLE FOR SHELL

install virtualbox extension pack from command line

# IDK what package manager you have so here are some ways to install wget
sudo apt install wget -y & sudo pacman -Sy wget & dnf install wget

# Installation
wget https://download.virtualbox.org/virtualbox/6.1.34/Oracle_VM_VirtualBox_Extension_Pack-6.1.34.vbox-extpack
VBoxManage extpack install --replace ./Oracle_VM_VirtualBox_Extension_Pack-6.1.34.vbox-extpack
# !! Now agree to the license !!
rm ./Oracle_VM_VirtualBox_Extension_Pack-6.1.34.vbox-extpack