Using Items on the Dock
By default, the Dock is preconfigured with various icons you can begin using right away. When you point to an item on the Dock, a tooltip appears above the icon that provides the name of the item.
The default items on the Dock can include the following:
Finder The Finder icon opens a new default Finder window (Computer or the user's Home directory) if no Finder windows are visible on the desktop. If at least one Finder window is open on the desktop, clicking the Finder icon doesn't do anything. If you hold down the Control key while you click this icon, you will see a list of all Finder windows that are open; choose a window from the list to move into it.
Mail Mail is Mac OS X's e-mail application. When you receive e-mail, ...
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