If you use Mail you have probably seen the animation when replying to a message. The message seems to slide off the screen. It’s possible to disable this animation:
10.7
Change auto check interval Google Notifier
When you use Google Notifier you will have noticed that your mailbox will be checked once every 15 minutes. You can change this interval with the following Terminal command.
Disable Google Chrome’s automatic software update
Google Chrome automatically checks for software updates in the background. If you want to disable the automatic updates to reduce data traffic, you can do this with a defaults write command.
Display the Cover Flow frame rate
The following command will show the cover flow frame rate (as frames per second) within the Finder alongside each filename when flipping through files.
Disable ‘Eject’ menu option in OS X Finder
Disable the menu option: ‘File ▸ Eject [volume]’ (cmd⌘ + E) in the Mac OS X Finder menubar.
Enable the debug menu in Disk Utility
OS X Disk Utility has a hidden debug-menu that, when enabled, can give you access to more advanced Disk Utility features. The debug-menu gives you access to the restore partition (OS X 10.7 and above). The ‘Debug’ option will appear after applying this command in OS X Terminal:
Enable the 2D Dock
If the 3D Dock isn’t your taste, you can use Terminal to switch to the 2D visual implementation.