One of the most things I missed when I moved to Mac OS was the fact I didn’t know how select another button in a active dialog using my keyboard. In Windows and Linux / Gnome this feature is enable by default.

I always thought this was not possible in Mac OS. Only recently I discovery you need need enable it in keyboard settings.

To do it, just:

  1. System Preferences → Keyboard → Keyboard Shortcuts
  2. And select All controls checkbox under Full Keyboard Access

Keyboard Preferences

Now you can use tab and space to use it.