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.
10.7
Disable the Rubber Band effect in Mac OS X
The rubber band effect in Mac OS X (10.7+) appears when you move the mouse up or down in a document and reach the end. The page will jump up and then back down. You can disable this feature with the following command:
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
Change default view style in OS X Finder
When opening a folder in OS X Finder, icon view is the default view style. Unless is has been manually changed through the Finder toolbar. You can change the default view style
Disable automatic application termination in Mac OS X
If you leave applications running without any open windows, Mac OS X will quit the application when it goes to the background. There is no setting in the system preferences to change this behavior. Use the following command to disable automatic application termination.
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:
Re-enable the delete key (page-back) in Safari 6
In Safari 6 the behavior of the delete key has been changed. If want to return the ‘page-back’ navigation behavior to the delete key, you can do so with the following defaults write command.