In Photoshop CS, or CS3 What does the Gradient tool do?

Question: In Photoshop CS, or CS3 What does the Gradient tool do!?

I recently got Photoshop CS3, and I used to have CS, and I came across this tool, and it turns out it is in both!. What does it do!?Www@QuestionHome@Com

Best Answer - Chosen by Asker:

You can add a background color and other cool effects!.

this website gives you a tutorial on how to use it!

http://www!.plus2net!.com/ps-tutorial/grad!.!.!.Www@QuestionHome@Com