Emacs
Intro
- C-x - Character eXtend. Followed by one character.
- M-x - Execute Extended Command (Named command eXtend). Followed by a long name
- M-S-x - Execute Extended Command for Buffer - show/run commands relevant to current buffer (Emacs 28+)
| keystrokes |
desc |
| C-x C-c |
quit |
| C-g |
stop command |
files
| keys |
M-x |
desc |
| C-x C-f |
|
find file |
| C-x C-s |
|
save file |
| C-x s |
|
save buffers to files |
| |
recover-this-file |
Recover file from an auto-save file |
buffers
| keys |
desc |
| C-x b |
switch buffers |
| C-x C-b |
list buffers |
tabs
| keys |
desc |
| C-x t b |
open new tab with buffer |
| C-x t 2 |
new tab |
windows
| keys |
desc |
| C-x 0 |
delete active window |
| C-x 1 |
one window, kill all others |
| C-x 2 |
split window below |
| C-x 3 |
split window right |
| C-x 4 b |
change buffer in other window |
frames
| keys |
desc |
| C-x 5 2 |
Create new frame |
| C-x 5 b |
Switch buffer in other frame |
| C-x 5 0 |
Delete active frame |
| C-x 5 1 |
Delete other frames |
modes
| M-x |
desc |
| fundmental-mode |
Fundamental mode (apostrophe is word separator) |
| text-mode |
Text mode (intended for human language) |
misc text
| keys |
M-x |
desc |
| |
auto-fill-mode |
split text |
| C-x f |
|
Set fill mode margin (default 70 chars) |
| C-x 8 e i |
emoj-insert |
|
| C-x 8 e s |
emoji-search |
|
bookmarks
bookmarks are persistent across sessions
| keys |
desc |
| C-x r m |
Set bookmark |
| C-x r l |
List bookmarks |
| C-x r b |
Jump to bookmark |
shells
| M-x |
desc |
| shell |
comint-driven shell |
| ansi-term |
ANSI terminal emulator |
help
Append C-h to a prefix key for combination documentation
M-x customize to customize settings, M-x customize-browse for tree mode
C-h i m opens up the builtin manuals C-h R to open a specific manual
info reader
M-x info / C-h i
| Key |
Purpose |
| [ |
previous node |
| ] |
next node |
| l |
back in history |
| r |
forward in history |
| n |
next sibling node |
| p |
previous sibling node |
| u |
one level to a parent node |
| SPC |
scroll one screen at a time |
| TAB |
cycle through cross-references and links |
| RET |
opens the active link |
| m |
prompts for a menu item name and opens it |
| q |
closes the info browser |
apropos
| key |
M-x |
desc |
| |
apropos |
search everything |
| C-h a |
apropos-command |
search commands |
| C-h d |
apropos-documentation |
search documentation |
describe
| key |
M-x |
desc |
| C-h m |
describe-mode |
major mode documentation |
| C-h x |
describe-command |
command documentation |
| C-h f |
describe-function |
function documentation |
| C-h v |
describe-variable |
variable documentation |
| C-h k |
describe-key |
key binding documentation |
| key |
desc |
| i |
open info manual |
| s |
go to source |
| c |
customize interface |
Bug Reference Mode
Built-in in version 28.2
((nil . ((bug-reference-url-format . "https://example.org/browse/%s")
(bug-reference-bug-regexp . "\\(\\[\\([A-Z]+-[0-9]+\\)\\]\\)"))))
File local variables
Header
-*- mode: mode-name; variable: value -*-
Footer
Local Variables:
mode: mode-name
variable: value
End: