1. Emacs
CSC 135

2. Emacs
Emacs is a command-based text editor that runs in a unix terminal window
Emacs has a large number of sophisticated commands
… but a beginner can edit effectively with a small subset
Basic usage:
Open a file
emacs filename
Start typing
Navigate with the arrow keys
To save the file: C-x C-s
To exit the editor: C-x C-c
C – control key
M – “meta” (esc, or sometimes alt)

3. Emacs Navigation Use the arrow keys or Larger steps
C-f move forward one char
C-b move backward one char
C-p move to previous line
C-n move to next line
Larger steps
M-f move forward one word
M-b move backward one word
C-a move to the beginning of the current line
C-e move to the end of the current line

4. Emacs - copying, pasting, deleting
Set a mark
C-spacebar
Navigate to highlight “marked” text
Operations on marked text
C-w delete (kill) the marked region
M-w copy the marked region
C-y paste (yank) the copied/killed region/line
C-x C-x exchange cursor and mark

5. Emacs – misc. Undo command! Search
C-x u undo previous actions (with a history)
Search
C-s search forward
C-r search backward