If the DVDs, USB sticks, phones, cameras or any other media and devices are automatically starting to play or open explorer windows and your don't want them to, this is how you tweak the AutoPlay settings.
Explorer in Windows 8 is quite updated and it is as much as possible adapted to the user. They have also added the option to quickly access the Command Prompt terminal window.
By default the command line outputs are displayed onto a screen, but you can easily redirect into a text file or even make it to be used as an input for the following command.