This is the Option symbol, which you’ll see quite a lot of as you use Mac OS X. Depending on the age of your Mac or your keyboard, the key itself might have all sorts of different things on it. It ...

The Apple Command key (or, as you might better know it, ⌘) has a beautiful and clear history. Originally, the ⌘ key was an Apple symbol instead, but Steve Jobs thought that using the Apple logo as a ...