Emacs/emacs/Pop-Up-Window
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20.4 Displaying in Another Window
C-x 4 is a prefix key for a variety of commands that switch to a buffer in a different window—either another existing window, or a new window created by splitting the selected window. See Window Choice, for how Emacs picks or creates the window to use.
- C-x 4 b
bufname
RET Select buffer
bufname
in another window (switch-to-buffer-other-window
). See Select Buffer.- C-x 4 C-o
bufname
RET Display buffer
bufname
in some window, without trying to select it (display-buffer
). See Displaying Buffers, for details about how the window is chosen.- C-x 4 f
filename
RET Visit file
filename
and select its buffer in another window (find-file-other-window
). See Visiting.- C-x 4 d
directory
RET Select a Dired buffer for directory
directory
in another window (dired-other-window
). See Dired.- C-x 4 m
Start composing a mail message, similar to C-x m (see Sending Mail), but in another window (
compose-mail-other-window
).- C-x 4 .
Find the definition of an identifier, similar to M-. (see Xref), but in another window (
xref-find-definitions-other-window
).- C-x 4 r
filename
RET Visit file
filename
read-only, and select its buffer in another window (find-file-read-only-other-window
). See Visiting.