Understanding the OS X Folder Structure
Start by looking at the folder structure of a typical OS X installation. Open a Finder window, and click the icon for your hard drive (which is typically called Macintosh HD) in the Sidebar. You should now see at least four folders: Applications, Library, System, and Users. Within the User folder, each user with an account on this Mac has his own set of folders containing documents, preferences, and other information that belongs to that user and account.
Within the Users folder, you find your personal Home folder and a Shared folder, where you can put files you want to share with other users. All these files are stored in a nested folder structure that’s a bit tricky to understand at first. This structure makes more sense after you spend a little time with it and figure out some basic concepts.
If you take a look at Figure 6-1, you can see how these main folders are related to one another. In the sections that follow, you take a look at ...