Apple

The Finder in versions of Mac OS prior to OS X, sometimes referred to as the "spatial Finder," was a direct, simple interface for managing files: the Finder represented each folder on the hard drive with exactly one window, and remembered that window's size and position on the screen. This was part of the illusion of direct manipulation of files and folders— users would feel as if they were manipulating the files themselves, not representations or abstractions thereof. In fact, many users didn't even think of the Finder as an application at all; to them, it was the computer.