---
title: "Emacs"
date: 2023-10-11T14:10:48+07:00
draft: true
---

- `C-v` view previous page
- `M-v` view next page
- `C-l` Clear screen and redisplay all the text
- `C-p` Prev 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 the whole text
- `M->` End of the whole text
- `C-u 8 C-n` Move to next 8th lines
> `C-u 8 C-v` Move scrollbar by 8 lines
> `C-u 8 *` Input ********
- `C-g` Stop a command / Cancel a numeric argument
> `C-u 100 C-g C-f` Move forward only 1 word

## Windows

- `C-x 1` One window (kill all other windows)

## Editing

- `<DEL>(backspace)` Delete the character before the cursor
- `C-d` Delete the next character after the cursor
- `M-<Del>` Kill the word immediately before the cursor
- `M-d` Kill the next word after the cursor
- `C-k` Kill from the cursor position to the end of line
- `M-k` Kill to the end of the current sentence
- `C-<Space>` Mark set
- `C-w` Kill text starting from `C-<Space>`
- `C-y` yank the last killed text back
- `M-y` repaces "last killed text" with the previous kill
- `C-/` undo
> `C-_` the same.
> `C-x u` the same

## Files

- `C-x C-f` Find a file
> Cancel the command with `C-g`
- `C-x C-s` Save the file

## Buffers

- `C-x C-f` Switch between opened files
- `C-x C-b` List buffers
- `C-x b` Switch between buffers
- `C-x s` Save some buffers

## Extending The Command Set

- `C-x` Character eXtend
- `M-x` Named command eXtend
- `C-x C-c` End the emacs session
- `C-z` Suspends emacs
> `fg` `%emacs` to resume
- `C-x u` undo
- `C-x f 20` set margin
- `M-x` Execute a command
> `M-x replace-string` replace string
> `M-x recover-this-file` recover current file
> `M-x fundamental-mode`
> `M-x text-mode` switch major mode
- `M-q` re-fill the paragraph

## Searching

- `C-s` forward search
- `C-r` reverse search
- `C-g` quit searching

## Windows

- `C-x 2` split the screen into 2 windows
- `C-M-v` scroll the other window
- `C-x o` move cursor to the other window

## Frames

- `C-x 5 2` New frame
- `C-x 5 0` Close frame

## Help

- `C-h ?` All help
> `F1` or `M-x help` instead
- `C-h m` Current major mode document