Disable the Home Sharing functionality within iTunes 7.1 or above. After applying this command the option ‘Home Sharing’ will disappear in the navigation bar and the Advanced menu options.
Mr.R
Show icons from hidden application translucent in OS X Dock
In Mac OS X you can hide an application with the key combination cmd⌘ + H. That the application is hidden you can not see directly in the Dock. Using this command, hidden applications are displayed with a translucent icon in the Dock:
Change default Mac OS X screencapture file type
Specify what file format you want to use for your screenshots (shift⇧ + cmd⌘ + 3) under Mac OS X. Th default format is .png, there are a lot of additional file formats available: png, pdf, tiff, pict, jpg, bmp, gif, psd, sgi and tga.
Change the default location for screenshots in Mac OS X
By default, screenshots (cmd⌘ + shift⇧ + 3) are saved on your desktop. It is possible to change this default location of screenshots, use the following command:
Disable the extension change warning in OS X Finder
When attempting to change a file extension in OS X Finder a warning dialog will appear. This could be annoying if you know what you’re exactly doing. Turn off the extension change dialog with the following command.
Show hidden files in OS X Finder
Mac OS X Finder does not show hidden (.dot) files and folders. Usually administrator will go in the Terminal and browses those hidden files and folders. This command will display all hidden files and folders.
Show OS X Dashboard Widgets on your Desktop
Enable OS X Dashboard widgets on the desktop, with the F12 or F4 key. After applying the defaults write command activate Dashboard, click on the widget you want to move to your desktop, and while holding the mouse button down, click F12/F4 again.