Emacs - Cheatsheet

Useful one ...

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|                                                                           |
|                        Readline Emacs Editing Mode                        |
|                         Default Keyboard Shortcut                         |
|                               Cheat Sheet                                 |
|                                                                           |
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| Peteris Krumins (peter@catonmat.net), 2007.10.30                          |
| http://www.catonmat.net  -  good coders code, great reuse                 |
|                                                                           |
| Released under the GNU Free Document License                              |
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======================== Keyboard Shortcut Summary ========================

.--------------.-------------------.----------------------------------------.
|              |                   |                                        |
| Shortcut     | Function          | Description                            |
|              |                   |                                        |
'--------------'-------------------'----------------------------------------'
| Commands for Moving:                                                      |
'--------------.-------------------.----------------------------------------'
| C-a          | beginning-of-line | Move to the beginning of line.         |
'--------------+-------------------+----------------------------------------'
| C-e          | end-of-line       | Move to the end of line.               |
'--------------+-------------------+----------------------------------------'
| C-f          | forward-char      | Move forward a character.              |
'--------------+-------------------+----------------------------------------'
| C-b          | backward-char     | Move back a character.                 |
'--------------+-------------------+----------------------------------------'
| M-f          | forward-word      | Move forward a word.                   |
'--------------+-------------------+----------------------------------------'
| M-b          | backward-word     | Move backward a word.                  |
'--------------+-------------------+----------------------------------------'
| C-l          | clear-screen      | Clear the screen leaving the current   |
|              |                   | line at the top of the screen.         |
'--------------+-------------------+----------------------------------------'
| (unbound)    | redraw-current-   | Refresh the current line.              |
|              | line              |                                        |
'--------------'-------------------'----------------------------------------'
| Commands for Changing Text:                                               |
'--------------.-------------------.----------------------------------------'
| C-d          | delete-char       | Delete one character at point.         |
'--------------+-------------------+----------------------------------------'
| Rubout       | backward-delete-  | Delete one character backward.         |
|              | char              |                                        |
'--------------+-------------------+----------------------------------------'
| C-q or C-v   | quoted-insert     | Quoted insert.                         |
'--------------+-------------------+----------------------------------------'
| M-TAB or     | tab-insert        | Insert a tab character.                |
| M-C-i        |                   |                                        |
'--------------+-------------------+----------------------------------------'
| a, b, A, 1,  | self-insert       | Insert the character typed.            |
| ...          |                   |                                        |
'--------------+-------------------+----------------------------------------'
| C-t          | transpose-chars   | Exchange the char before cursor with   |
|              |                   | the character at cursor.               |
'--------------+-------------------+----------------------------------------'
| M-t          | transpose-words   | Exchange the word before cursor with   |
|              |                   | the word at cursor.                    |
'--------------+-------------------+----------------------------------------'
| M-u          | upcase-word       | Uppercase the current word.            |
'--------------+-------------------+----------------------------------------'
| M-l          | downcase-word     | Lowercase the current word.            |
'--------------+-------------------+----------------------------------------'
| M-c          | capitalize-word   | Capitalize the current word.           |
'--------------+-------------------+----------------------------------------'
| (unbound)    | overwrite-mode    | Toggle overwrite mode.                 |
'--------------'-------------------'----------------------------------------'
| Killing and Yanking:                                                      |
'--------------.-------------------.----------------------------------------'
| C-k          | kill-line         | Kill the text from point to the end of |
|              |                   | the line.                              |
'--------------+-------------------+----------------------------------------'
| C-x Rubout   | backward-kill     | Kill backward to the beginning of the  |
|              | -line             | line.                                  |
'--------------+-------------------+----------------------------------------'
| C-u          | unix-line-discard | Kill backward from point to the        |
|              |                   | beginning of the line.                 |
'--------------+-------------------+----------------------------------------'
| M-d          | kill-word         | Kill from point to the end of the      |
|              |                   | current word.                          |
'--------------+-------------------+----------------------------------------'
| M-Rubout     | backward-kill-word| Kill the word behind point.            |
'--------------+-------------------+----------------------------------------'
| C-w          | unix-word-rubout  | Kill the word behind point, using      |
|              |                   | white space as a word boundary.        |
'--------------+-------------------+----------------------------------------'
| M-\          | delete-           | Delete all spaces and tabs around      |
|              | horizontal-space  | point.                                 |
'--------------+-------------------+----------------------------------------'
| C-y          | yank              | Yank the top of the kill ring into the |
|              |                   | buffer at point.                       |
'--------------+-------------------+----------------------------------------'
| M-y          | yank-pop          | Rotate the kill ring, and yank the new |
|              |                   | top                                    |
'--------------+-------------------+----------------------------------------'
| (unbound)    | kill-whole-line   | Kill all characters on the current     |
|              |                   | line                                   |
'--------------+-------------------+----------------------------------------'
| (unbound)    | kill-region       | Kill the text between the point and    |
|              |                   | mark.                                  |
'--------------+-------------------+----------------------------------------'
| (unbound)    | copy-region-as-   | Copy the text in the region to the     |
|              | kill              | kill buffer.                           |
'--------------+-------------------+----------------------------------------'
| (unbound)    | copy-backward-    | Copy the word before point to the kill |
|              | word              | buffer.                                |
'--------------+-------------------+----------------------------------------'
| (unbound)    | copy-forward-word | Copy the word following point to the   |
|              |                   | kill buffer.                           |
'--------------'-------------------'----------------------------------------'
| Keyboard Macros:                                                          |
'--------------.-------------------.----------------------------------------'
| C-x (        | start-kbd-macro   | Begin saving the chars typed into the  |
|              |                   | current keyboard macro.                |
'--------------+-------------------+----------------------------------------'
| C-x )        | end-kbd-macro     | End saving the chars typed into the    |
|              |                   | current keyboard macro.                |
'--------------+-------------------+----------------------------------------'
| C-x e        | call-last-kbd-    | Re-execute the last keyboard macro     |
|              | macro             | defined.                               |
'--------------'-------------------'----------------------------------------'
| Commands for Manipulating the History:                                    |
'--------------.-------------------.----------------------------------------'
| Return       | accept-line       | Accept the line regardless of where    |
|              |                   | the cursor is.                         |
'--------------+-------------------+----------------------------------------'
| C-p          | previous-history  | Fetch the previous command from the    |
|              |                   | history list.                          |
'--------------+-------------------+----------------------------------------'
| C-n          | next-history      | Fetch the next command from the        |
|              |                   | history list.                          |
'--------------+-------------------+----------------------------------------'
| M-<          | beginning-of-     | Move to the first line in the history. |
|              | history           |                                        |
'--------------+-------------------+----------------------------------------'
| M->          | end-of-history    | Move to the end of the input history   |
'--------------+-------------------+----------------------------------------'
| C-r          | reverse-search-   | Search backward starting at the        |
|              | history           | current line (incremental).            |
'--------------+-------------------+----------------------------------------'
| C-s          | forward-search-   | Search forward starting at the current |
|              | history           | line (incremental).                    |
'--------------+-------------------+----------------------------------------'
| M-p          | non-incremental-  | Search backward using non-incremental  |
|              | reverse-search-   | search.                                |
|              | history           |                                        |
'--------------+-------------------+----------------------------------------'
| M-n          | non-incremental-  | Search forward using non-incremental   |
|              | forward-search-   | search.                                |
|              | history           |                                        |
'--------------+-------------------+----------------------------------------'
| M-C-y        | yank-nth-arg      | Insert the n-th argument to the        |
|              |                   | previous command at point.             |
'--------------+-------------------+----------------------------------------'
| M-. M-_      | yank-last-arg     | Insert the last argument to the        |
|              |                   | previous command.                      |
'--------------+-------------------+----------------------------------------'
| (unbound)    | history-search-   | Search forward for a string between    |
|              | backward          | start of line and point.               |
'--------------+-------------------+----------------------------------------'
| (unbound)    | history-search-   | Search backward for a string between   |
|              | forward           | start of line and point.               |
'--------------'-------------------'----------------------------------------'
| Completing:                                                               |
'--------------.-------------------.----------------------------------------'
| TAB          | complete          | Attempt to perform completion on the   |
|              |                   | text before point.                     |
'--------------+-------------------+----------------------------------------'
| M-?          | possible-         | List the possible completions of the   |
|              | completions       | text before point.                     |
'--------------+-------------------+----------------------------------------'
| M-*          | insert-           | Insert all completions of the text     |
|              | completions       | before point generated by              |
|              |                   | possible-completions.                  |
'--------------+-------------------+----------------------------------------'
| (unbound)    | menu-complete     | Similar to complete but replaces the   |
|              |                   | word with the first match.             |
'--------------+-------------------+----------------------------------------'
| (unbound)    | delete-char-or-   | Deletes the car if not at the          |
|              | list              | beginning of line or acts like         |
|              |                   | possible-completions at the end of     |
|              |                   | the line.                              |
'--------------'-------------------'----------------------------------------'
| Miscellaneous:                                                            |
'--------------.-------------------.----------------------------------------'
| C-x C-r      | re-read-init-file | Read and execute the contents of       |
|              |                   | inputrc file.                          |
'--------------+-------------------+----------------------------------------'
| C-g          | abort             | Abort the current editing command and  |
|              |                   | ring the terminal's bell.              |
'--------------+-------------------+----------------------------------------'
| M-a, M-b,    | do-uppercase-     | If the metafield char 'x' is lowercase |
| M-x, ...     | version           | run the command that is bound to       |
|              |                   | uppercase char.                        |
'--------------+-------------------+----------------------------------------'
| ESC          | prefix-meta       | Metafy the next character typed.       |
|              |                   | For example, ESC-p is equivalent to    |
|              |                   | Meta-p                                 |
'--------------+-------------------+----------------------------------------'
| C-_ or       | undo              | Incremental undo, separately           |
| C-x C-u      |                   | remembered for each line.              |
'--------------+-------------------+----------------------------------------'
| M-r          | revert-line       | Undo all changes made to this line.    |
'--------------+-------------------+----------------------------------------'
| M-&          | tilde-expand      | Perform tilde expansion on the current |
|              |                   | word.                                  |
'--------------+-------------------+----------------------------------------'
| C-@ or       | set-mark          | Set the mark to the point.             |
| M-    |                   |                                        |
'--------------+-------------------+----------------------------------------'
| C-x C-x      | exchange-point-   | Swap the point with the mark.          |
|              | and-mark          |                                        |
'--------------+-------------------+----------------------------------------'
| C-]          | character-search  | Move to the next occurance of current  |
|              |                   | character under cursor.                |
'--------------+-------------------+----------------------------------------'
| M-C-]        | character-search- | Move to the previous occurrence of     |
|              | backward          | current character under cursor.        |
'--------------+-------------------+----------------------------------------'
| M-#          | insert-comment    | Without argument line is commented,    |
|              |                   | with argument uncommented (if it was   |
|              |                   | commented).                            |
'--------------+-------------------+----------------------------------------'
| C-e          | emacs-editing-    | When in vi mode, switch to emacs mode. |
|              | mode              |                                        |
'--------------+-------------------+----------------------------------------'
| M-C-j        | vi-editing-mode   | When in emacs mode, switch to vi mode. |
'--------------+-------------------+----------------------------------------'
| M-0, M-1,    | digit-argument    | Specify the digit to the argument.     |
| ..., M--     |                   | M-- starts a negative argument.        |
'--------------+-------------------+----------------------------------------'
| (unbound)    | dump-functions    | Print all of the functions and their   |
|              |                   | key bindings.                          |
'--------------+-------------------+----------------------------------------'
| (unbound)    | dump-variables    | Print all of the settable variables    |
|              |                   | and their values.                      |
'--------------+-------------------+----------------------------------------'
| (unbound)    | dump-macros       | Print all of the key sequences bound   |
|              |                   | to macros.                             |
'--------------+-------------------+----------------------------------------'
| (unbound)    | universal-        | Either sets argument or multiplies the |
|              | argument          | current argument by 4.                 |
'--------------'-------------------'----------------------------------------'


===========================================================================

.---------------------------------------------------------------------------.
| Peteris Krumins (peter@catonmat.net), 2007.10.30                          |
| http://www.catonmat.net  -  good coders code, great reuse                 |
|                                                                           |
| Released under the GNU Free Document License                              |
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You can also download it from here as pdf.

Reference : http://www.cheat-sheets.org/#Emacs