It is possible to completely disable OS X Dashboard. On old Mac’s this could save some memory and cpu resources. Use the following command and kill the current running Dashboard.
10.8
Calendar: Change the amount of days in week view (10.8)
It is possible in Mountain Lion’s Calendar app to change the numbers of days displayed in the week view. If you want to display 14 days in the week view use this command:
Activate the default settings for OS X Launchpad
If you want to cleanup OS X Launchpad and restore to default you can use OS X Terminal. The command resets the Launchpad with the default content sorted on a to z basis.
iTunes: Disable access to Podcasts
Disable the Podcast 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.
Never display the Quicktime player X title bar
It’s possible to hide the title bar within in a Quicktime player X window. The titlebar automatically shows up when the mouse pointer is active in the window. To disable this behavior, quit Quicktime X and apply the following command:
iTunes: Disable the use of plugins
Disable the use of plugins within iTunes. After applying this command active plugins will be disabled and all other menu options referring to plugin related options will not show up.
Enable iTunes high contrast mode
If you are using iTunes in bright light conditions the iTunes screen could be hard to read. Instead of activating the system wide high contrast mode you can enable this feature only for iTunes. Quit iTunes and use the following command: