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At first glance, the beta Ubuntu 12.04 Unity desktop looks the same as Ubuntu 11.10’s desktop. That’s by design. This is the next-generation of Unity, not the arrival of Ubuntu's Head Up Display.
But some of HUD is already in Ubuntu 12.04. With HUD, you’ll use search for much of what you now use menus for.
If you want to change your settings in Ubuntu 12.04, the operating system makes it easy. Unfortunately, there’s not a lot of choices within those settings. What you see is pretty much what you’re going to get.