What do you call those little metal things that are crimped onto the end of metal cables to keep them from fraying?

I installed a new shifter cable and need one to install at the cut end so it will seat properly in the shifter. They included everything else I needed except this little thing that might cost a penny. I tried to recycle the old one but once those things are on, they're going to stay on.

I suppose I could just go to the shop and they'd be able to figure out what I mean but it has a name and I wanna know.