Emacs 常用快捷键总结
| Keyboard shortcuts | Effects |
|---|---|
emacs -nw -Q | 不安装任何插件在命令行打开 Emacs |
C-v | forward one screen |
M-v | backwards one screen |
C-l | text around cursor to center of screen |
M-x help-with-tutorial | 打开教程 |
C-x C-c | end Emacs session |
Basic Cursor Control
| Keyboard shortcuts | Effects |
|---|---|
C-p | previous line |
C-n | next line |
C-b | backward a character |
C-f | forward a character |
M-b | backward a word |
M-f | forward a word |
C-a | beginning of line |
C-e | end of line |
M-a | beginning of sentence |
M-e | end of sentence |
M-< | beginning of whole text |
M-> | end of whole text |
C-u num command | run command, use num as repeat-count; 注意 C-u 6 C-v 与其他命令的不同 |
C-g | quit a partially entered command; 退出没有响应的命令 |
C-x 1 | kill all other windows |
如果遇到暂时禁止执行的命令，按下 n 取消执行。
Inserting and Deleting
| Keyboard shortcuts | Effects |
|---|---|
<DEL>=BackSpace | delete character before current cursor |
M-<DEL> | kill word before cursor |
C-d | delete next character after cursor |
M-d | kill next word after cursor |
C-k | kill from cursor to end of line |
M-k | kill from cursor to end of current sentence |
C-e | move to end of line |
M-e | move forward to end of sentence |
C-<SPC>(<SPC>=space) move-cursor-to-somewhere C-w C-y | kill random text, then yank to somewhere(like cut and paste) |
killing 和 deleting 的区别：
killedtext can be reinserted (at any position)deletedthings cannot be reinserted in this way, but you can undo a deletion
Reinsertion of killed text is called "yanking".
Undo
| Keyboard shortcuts | Effects |
|---|---|
C-/ | undo a change to text(C-/ 不会撤销光标移动命令，滑动命令) |
For C-/ Self-inserting characters are usually handled in group of up
to 20.
Normally, C-/ undoes the changes made by one command; if you repeat C-/ several times in a row, each repetition undoes one more command.
Files
| Keyboard shortcuts | Effects |
|---|---|
C-x C-f | find a file |
C-x C-s | save the file |
Buffers
Emacs stores each file's text inside an object called a "buffer".
| Keyboard shortcuts | Effects |
|---|---|
C-x C-b | List buffers |
C-x b <BUFFER NAME> | switch buffer |
C-x b Messages | see the messages |
Extending the command set
指的是两种行为：C-x，M-x。
| Keyboard shortcuts | Effects |
|---|---|
C-x <one character> | Character eXtend |
M-x <a long name> | Named command eXtend |
C-z | exit Emacs temporarily |
fg or =%emacs=(exec in console) | recover from C-z |
Auto save
=#example.md#=，这是一个自动保存的备份文件。
Echo area
Mode line
-:**– TUTORIAL 63% L736 (Fundamental)——–
63%表示当前文档的进度。如果来到文档底部会显示 Bot,来到文档顶部会显示 Top。(Fundamental)则是指编辑模式，
Major mode
Minor mode
Searching
| Keyboard shortcuts | Effects |
|---|---|
C-s | start search after cursor |
C-r | start search before cursor |
Multiple windows
| Keyboard shortcuts | Effects |
|---|---|
C-x 2 | create one more window(top+bottom) |
C-x 3 | create one more window(left+right) |
C-x o | switch to other windows(one by one) |
Multiple frames
| Keyboard shortcuts | Effects |
|---|---|
C-x 5 2 | new frame |
Recursive editing levels
[(Fundamental)]
Get help
| Keyboard shortcuts | Effects |
|---|---|
C-h c C-p | oneline explanation |
C-h k C-p | explanation with more details |
C-h f <function name> | describe a function |
C-h v <variable name> | describe a variable |
C-h r | read manual |