Blog by an Apple Certified Tech

Customize the Dock in Mac OS X 10.6

If you have upgraded from Leopard to Snow Leopard you will not find any major change in the dock. If you want to have a completely different dock, you can try this simple step and can have a dock similar as I have on my Mac in office.

Let's try to change it. Open up the terminal, and type the following command, then press the return key
defaults write no-glass -boolean YES
Now, you need to reload the dock, to do so, again, in the terminal, type the following.
killall Dock 
Once done, your dock should look like the following image: Now if your father doesn't like this new dock and you want to change your dock theme back to the original display, open the terminal, and type the following commands.
defaults write no-glass -boolean NO
killall Dock

That's it, now you can see a smile on your father's face!