Mac OS X offers two easy ways to learn the complete path to a specific file on your hard disk:

• The Path bar (View > Show Path Bar) can be displayed at the bottom of any Finder window. The Path bar indicates the complete path from your computer to a selected file in the window.
• Hold down the Control or Command key and click the icon in a window's title bar to display a pop-up path menu. It indicates the enclosing folders, disk, and computer for the window.