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20 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.

Basic Window  Introduction to Emacs windows.
Split Window  New windows are made by splitting existing windows.
Other Window  Moving to another window or doing something to it.
Pop Up Window  Finding a file or buffer in another window.
Change Window  Deleting windows and changing their sizes.
Displaying Buffers  How Emacs picks a window for displaying a buffer.
Window Convenience  Convenience functions for window handling.
Tab Line  Window tab line.