O. Multiple Windows

Emacs can split a frame into two or many windows. Multiple windows can display parts of different buffers, or different parts of one buffer. Multiple frames always imply multiple windows, because each frame has its own set of windows. Each window belongs to one and only one frame.

O.1 Concepts of Emacs Windows		Introduction to Emacs windows.
O.2 Splitting Windows		New windows are made by splitting existing windows.
O.3 Using Other Windows		Moving to another window or doing something to it.
O.4 Displaying in Another Window		Finding a file or buffer in another window.
O.5 Forcing Display in the Same Window		Forcing certain buffers to appear in the selected window rather than in another window.
O.6 Deleting and Rearranging Windows		Deleting windows and changing their sizes.
O.7 Window Handling Convenience Features and Customization		Convenience functions for window handling.