When you press and hold a key in Mac OS X Lion or Mountain Lion, it is no longer repeated. Instead, an auto-correction pop-up would appear, allowing you to select accented characters. This default write command will re-enable the repeat key feature.
10.7
Display only active application in the Mac OS X Dock
If you prefer a minimalist Mac OS X Dock, set the Dock to only display active running apps.
Enable AirDrop in a wired network and old Macs
It is possible to enable AirDrop in a wired network even when your Mac is not supported. After restarting the Finder, Airdrop will appear in Finder’s navigation bar.
Remove the Dock Auto-Hide & Show Delay
If you use the hidden Dock feature in Mac OS X, you can speed up the time it takes to show the Dock. The command removes this delay.
Enable highlight hover effect for grid view stacks
Enable a hover effect for stack folders in grid view. When you moving over an item in a Stack in grid view, the item will be highlighted, making it easy to see.
Disable access to the Music Store in iTunes
Disable the Music, Book and App store functionality within iTunes. After applying this command the options will disappear in the navigation bar (Store section) and all other menu options within iTunes v7.1 and above.
Select text in a Quick Look preview window
If you use Quick Look to view files that features text, you’ll notice that you can’t click and drag to highlight text. This default write command will let you click and drag to highlight text, and use the cmd⌘ + C key combination to copy text.