Disable all Dock animations when opening an application from the Dock. Use the following OS X Terminal command:
You can add a ‘Recent Items menu’ to the OS X Dock. The default is set to “Recent Applications” but once the Dock item exists you can adjust it to feature other recent items too. Use the following defaults write command.
By default in OS X, users are given a warning when emptying the Trash and removing files from the hard drive. You can disable the warning window before emptying the Trash with following command:
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.
Disable the menu option: ‘File ▸ Eject [volume]’ (cmd⌘ + E) in the Mac OS X Finder menubar.
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: