Two days ago, I had the pleasure of having my computer crash while I was trying to print something. No problem, I thought, this happens sometimes—after all, I do mess around in the command line enough to actually screw something up now and then. I hold down the power button on my iMac until it shuts down, then press it again and hear the familiar Apple “ding.”

I was then greeted by a folder icon with a question mark on it.