Emacs: Split Window

Split Window Commands

split-window-below 【Ctrl+x 2】

Split current pane in 2, one top and one bottom.

split-window-right 【Ctrl+x 3】

Split side-by-side.

delete-other-windows 【Ctrl+x 1】

Unsplit all.

delete-window 【Ctrl+x 0】

Remove current pane.

other-window 【Ctrl+x o】

Move cursor to next pane.

Note, emacs terminology of window/frame is reversed from modern meaning.

• emacs jargon window means frame or pane.
• emacs jargon frame means window.

Adjust Split Pane Size by Mouse

• Mouse drag the Mode Line to adjust the split pane size.
• To adjust left/right split panes, drag the split point on Mode Line, at the bottom of the vertical scroll bar.

Adjust Split Pane Size by Commands

enlarge-window 【Ctrl+x ^】

Increase height.

shrink-window

Decrease height.

enlarge-window-horizontally 【Ctrl+x }】

Increase width.

shrink-window-horizontally 【Ctrl+x {】

Decrease width.

shrink-window-if-larger-than-buffer 【Ctrl+x -】

Shrink a window to fit its content.

balance-windows 【Ctrl+x +】

Make all panes same width/height.

Most of these commands also take a argument. 〔see Emacs: Universal Argument (C-u prefix arg)〕