Viewing a Folder Hierarchy
When you choose a drive in the Finder, you'll see files or folders (or both). Since folders can be buried inside other folders, opening several folders can get you lost in the hierarchy.
To keep yourself oriented as you navigate through multiple folders, you need to know how to open a folder, determine where you are, and return to your starting point.
Opening a Folder
To open a folder and view its contents, you have three choices:
Double-click a folder.
Click a folder and select File ▸ Open (or press -O).
Right-click a folder and select Open.
To see how opening folders buries you deeper into the folder hierarchy, try the following: ...