When applications first open or need to alert the user of some new update, the icons in the dock bounce. Very helpful when you are multitasking, but some users find it distracting. Use following command to stop the icons from bouncing.
Disable ‘press and hold’ option in Mac OS X 10.7+
If you press and hold a letter in OS X, a pop-up will appear with the various accented versions of that letter. If you don’t use this and it bothers you, you can disable it.
Disable new disks requests for Time Machine
If you don’t use Time Machine, you might notice that every time you attach a empty hard disk to your Mac, you get asked if you want to use this hard disk Time Machine backups. Disable this dialog box with the following command:
Change default appointment duration in iCal (Calendar)
iCal has a feature whereby you can easily create new calendar appointments. Just click ‘+’ at the top left of the window and start typing. For example, “Friday BBQ 20:00” will create an appointment on the next Friday at 8 pm and is called “BBQ”.
Disable ‘Empty trash’ options in OS X Finder
Disable the menu option: ‘Empty trash’ and ‘Secure Empty trash’ in the Mac OS X Finder menubar and command + click trash contextual menu.
Change default screensaver password delay options
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.
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: