There are already many applications available which allow you to tweek the settings in OSX Leopard to adjust the dock, the menu bar, and other areas you wish to alter. But one thing that bothers me is having all those little apps hanging around my hard drive, or worse yet, running at all times. UsingMac has listed 13 very handy Terminal commands that do the same thing as many of these apps, without the space and memory overhead. It’s as simple as copy & paste. Check them out.