9 Methods for undoing changes
Enter the INSERT key M-x overwrite-mode Enter If you: Use this command: Don’t like the recent changes you’ve made and want to undo them one by one ...
Artwalker
10 Stopping and undoing commands
Keystrokes Command name Action C-g keyboard-quit Abort current command. C-x u advertised-undo Undo last edit (can be done r...
11 Recovering Lost Changes
M-x recover-file Enter
12 Making Emacs Work the Way You Want
We’re going to tell you how to give Emacs the to-do list, a list of options to turn on each time you enter Emacs; These options are defined in an initialization file called .emacs; Initialization...
13 Incremental search commands
Keystrokes Command name Action C-s Edit → Search → Incremental Search → Forward String isearch-forward Start incremental search forward; follow by sear...
14 Simple search commands
Keystrokes Action C-s Enter searchstring Enter Edit → Search → String Forward Start nonincremental search forward. C-s Repeat search forward....
15 Word Search
C-s Enter C-w 不好使
16 Search and Replace
To use query-replace, go to the beginning of the buffer using M-< and then type M-%. Responses during query-replace: Keystrokes Action Space or y ...
17 Regular Expressions for Search and Replacement Operation
Characters for creating regular expressions: Character(s) Match ^ Matches the beginning of a line. $ Matches the end of a lin...
18 Spell checking commands
Keystrokes Command name Action M-$ Tools → Spell Checking → Spell-Check Word ispell-word Check the word the cursor is on or the word following the curs...