It used to be so during the golden age of personal computers or if you run Linux and have tweaked it so. But modern-day operating systems will bend the nature o

It used to be so during the golden age of personal computers or if you run Linux and have tweaked it so. But modern-day operating systems will bend the nature of reality itself if they have to, in order to restart and install updates, or to force you to change your password which is already 120 seconds old, or to log you out for security reasons if you stop moving the mouse. You better save that message promptly.