Introduction

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Ctrl-x Ctrl-f

Open file

Ctrl-x Ctrl-s

Save

Buffer control

Ctrl-x k

Kill buffer (close file)

Ctrl-x b

Switch to an other buffer

Ctrl-x 2

Split the window vertically to see an extra buffer

Ctrl-x 3

Split the window horizontally to see an extra buffer

Ctrl-x 0

Hide the current window

Ctrl-x 1

Show only the current window

Ctrl-x o

Jump to an other window

Text editing

Ctrl-Space

Marks beginning of a block

Alt-w

Marks end of block and copy

Ctrl-w

Marks end of block and cut

Ctrl-y

Paste

Ctrl-a

Go to the beginning of the line

Ctrl-e

Go to the end of the line

Ctrl-k

Kill end of line (after the cursor)

General

Ctrl-g

Cancel the command you are typing

Ctrl-x Ctrl-c

Quit emacs

Ctrl-_

Undo

TAB

Automatic indentation (source code) while editing

TAB

Automatic completion while selecting a file or while typing a commandin the mini-buffer

Alt-x

Type a command in the mini-buffer

Alt-x c-mode

Change major mode to c-mode

Alt-x global-font-lock-mode

Switch the 'global font lock mode' (highlights syntax)

Search and replace

Ctrl-s

Incremental forward search (press Ctrl-s again to search further)

Ctrl-r

Incremental backward search (press Ctrl-r again to search further)

Alt-%

Search and replace

Multiple files search

Simple search

Alt-x grep

Perform a 'grep' search

Alt-x grep-find

Perform a search using 'find' and 'grep'

Tags (for programmers)

find . -name "*.[ch]" | etags -

Make a TAGS index file for every file whose name ends with'.c' or '.h', starting from the current directory (this is a shellcommand !)

Alt-x visit-tags-table

Load a TAGS file

Alt-.

Find a tag

Ctrl-u Alt-.

continue find tag

tags-search

Search through all files listed in the tags table

tags-query-replace

Search and replace through all files listed in the tags table

Alt-,

continue last tag search

Files comparison

Alt-x ediff

Compares two files

Spell check

Alt-x ispell-buffer

Spell check for the current buffer

Help

Ctrl-h ?

General help functions

Ctrl-h f

Describe the command you type

Ctrl-h a

apropos ... help based on a keyword

Ctrl-h m

Help on the current major mode