Since Mac OS X 10.6 Snow Leopard we have the ability to set how long your Mac is asleep or how long the screen saver is on before it requires a password to wake up again. However, you can’t enter your own custom time period.
10.6
Disable “Go to folder” in OS X
The Go To Folder command is the most useful features in the OS X Finder. If you want to lock down a Mac a bit more than usual, you can disable the Go To Folder menu option and keyboard shortcut using a defaults write command: defaults write com.apple.finder ProhibitGoToFolder -bool true To make the command take effect, you need to restart the Finder. killall Finder Revert to the default setting: defaults write com.apple.finder ProhibitGoToFolder -bool false Restart Finder
Keep full screen mode in Quicktime when switching applications
When you are watching a video in QuickTime’s full screen mode and you use cmd⌘ + tab to switch to another application, the movie will automatically exit full screen mode. To stay full screen in the background, use the following defaults write command:
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.
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.