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Deleting and Rearranging Windows
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`C-x 0'
     Delete the selected window (`delete-window').  The last character
     in this key sequence is a zero.

`C-x 1'
     Delete all windows in the selected frame except the selected window
     (`delete-other-windows').

`C-x 4 0'
     Delete the selected window and kill the buffer that was showing in
     it (`kill-buffer-and-window').  The last character in this key
     sequence is a zero.

`C-x ^'
     Make selected window taller (`enlarge-window').

`C-x }'
     Make selected window wider (`enlarge-window-horizontally').

`C-x {'
     Make selected window narrower (`shrink-window-horizontally').

`C-x -'
     Shrink this window if its buffer doesn't need so many lines
     (`shrink-window-if-larger-than-buffer').

`C-x +'
     Make all windows the same height (`balance-windows').

`Drag-Mouse-1'
     Dragging a window's mode line up or down with `Mouse-1' changes
     window heights.

`Mouse-2'
     `Mouse-2' in a window's mode line deletes all other windows in the
     frame (`mouse-delete-other-windows').

`Mouse-3'
     `Mouse-3' in a window's mode line deletes that window
     (`mouse-delete-window'), unless the frame has only one window, in
     which case it buries the current buffer instead and switches to
     another buffer.

   To delete a window, type `C-x 0' (`delete-window').  (That is a
zero.)  The space occupied by the deleted window is given to an
adjacent window (but not the minibuffer window, even if that is active
at the time).  Once a window is deleted, its attributes are forgotten;
only restoring a window configuration can bring it back.  Deleting the
window has no effect on the buffer it used to display; the buffer
continues to exist, and you can select it in any window with `C-x b'.

   `C-x 4 0' (`kill-buffer-and-window') is a stronger command than `C-x
0'; it kills the current buffer and then deletes the selected window.

   `C-x 1' (`delete-other-windows') is more powerful in a different
way; it deletes all the windows except the selected one (and the
minibuffer); the selected window expands to use the whole frame except
for the echo area.

   You can also delete a window by clicking on its mode line with
`Mouse-2', and delete all the windows in a frame except one window by
clicking on that window's mode line with `Mouse-3'.

   The easiest way to adjust window heights is with a mouse.  If you
press `Mouse-1' on a mode line, you can drag that mode line up or down,
changing the heights of the windows above and below it.

   To readjust the division of space among vertically adjacent windows,
use `C-x ^' (`enlarge-window').  It makes the currently selected window
get one line bigger, or as many lines as is specified with a numeric
argument.  With a negative argument, it makes the selected window
smaller.  `C-x }' (`enlarge-window-horizontally') makes the selected
window wider by the specified number of columns.  `C-x {'
(`shrink-window-horizontally') makes the selected window narrower by
the specified number of columns.

   When you make a window bigger, the space comes from one of its
neighbors.  If this makes any window too small, it is deleted and its
space is given to an adjacent window.  The minimum size is specified by
the variables `window-min-height' and `window-min-width'.

   The command `C-x -' (`shrink-window-if-larger-than-buffer') reduces
the height of the selected window, if it is taller than necessary to
show the whole text of the buffer it is displaying.  It gives the extra
lines to other windows in the frame.

   You can also use `C-x +' (`balance-windows') to even out the heights
of all the windows in the selected frame.