# Basics
C-x C-f "find" file i.e. open/create a file in buffer
C-x C-s save the file
C-x C-w write the text to an alternate name
C-x C-v find alternate file
C-x i insert file at cursor position
C-x b create/switch buffers
C-x C-b show buffer list
C-x k kill buffer
C-z suspend Emacs
C-X C-c close down Emacs
# Basic movement
C-f forward char
C-b backward char
C-p previous line
C-n next line
M-f forward one word
M-b backward one word
C-a beginning of line
C-e end of line
C-v one page up
M-v scroll down one page
M-< beginning of text
M-> end of text
# Editing
M-n repeat the following command n times
C-u repeat the following command 4 times
C-u n repeat n times
C-d delete a char
M-d delete word
M-Del delete word backwards
C-k kill line
#
C-Space Set beginning mark (for region marking for example)
C-W "kill" (delete) the marked region
M-W copy the marked region
C-y "yank" (paste) the copied/killed region/line
M-y yank earlier text (cycle through kill buffer)
C-x C-x exchange cursor and mark
#
C-t transpose two chars
M-t transpose two words
C-x C-t transpose lines
M-u make letters uppercase in word from cursor position to end
M-c simply make first letter in word uppercase
M-l opposite to M-u
# Important
C-g quit the running/entered command
C-x u undo previous action
M-x revert-buffer RETURN
(insert like this) undo all changes since last save
M-x recover-file RETURN
Recover text from an autosave-file
M-x recover-session RETURN
if you edited several files
# Online-Help
C-h c which command does this keystroke invoke
C-h k which command does this keystroke invoke and what does it do?
C-h l what were my last 100 typed keys
C-h w what key-combo does this command have?
C-h f what does this function do
C-h v what's this variable and what is it's value
C-h b show all keycommands for this buffer
C-h t start the Emacs tutorial
C-h i start the info reader
C-h C-k start up info reader and go to a certain key-combo point
C-h F show the Emacs FAQ
C-h p show info about the Elisp package on this machine
# Search/Replace
C-s Search forward
C-r search backward
C-g return to where search started (if you are still in search mode)
M-% query replace
#
Space or y replace this occurrence
Del or n don't replace
. only replace this and exit (replace)
, replace and pause (resume with Space or y)
! replace all following occurrences
^ back to previous match
RETURN or q quit replace
# Search/Replace with regular expressions
# Characters to use in regular expressions:
^ beginning of line
$ end of line
. single char
.* group or null of chars
\< beginning of a word
\> end of a word
[] every char inside the brackets (for example [a-z] means every small letter)
#
M C-s RETURN search for regular expression forward
M C-r RETURN search for regular expression backward
M C-s incremental search
C-s repeat incremental search
M C-r incremental search backwards
C-r repeat backwards
M-x query-replace-regexp
search and replace
# Window-Commands
C-x 2 split window vertically
C-x o change to other window
C-x 0 delete window
C-x 1 close all windows except the one the cursors in
C-x ^ enlarge window
M-x shrink-window
command says it ;-)
M C-v scroll other window
C-x 4 f find file in other window
C-x 4 o change to other window
C-x 4 0 kill buffer and window
C-x 5 2 make new frame
C-x 5 f find file in other frame
C-x 5 o change to other frame
C-x 5 0 close this frame
# Bookmark commands
C-x r m set a bookmark at current cursor position
C-x r b jump to bookmark
M-x bookmark-rename
M-x bookmark-delete
M-x bookmark-save
C-x r l list bookmarks
#
d mark bookmark for deletion
r rename bookmark
s save all listed bookmarks
f show bookmark the cursor is over
m mark bookmarks to be shown in multiple window
v show marked bookmarks (or the one the cursor is over)
t toggle listing of the corresponding paths
w path to this file
x delete marked bookmarks
q quit bookmark list
#
M-x bookmark-write
write all bookmarks in given file
M-x bookmark-load
load bookmark from given file
# Shell
M-x shell starts shell modus
C-c C-c same as C-c under Unix (stop running job)
C-d delete char forward
C-c C-d Send EOF
C-c C-z suspend job (C-z under Unix)
M-p show previous commands
# Text
# Works only in text mode
M-s center line
M-S center paragraph
M-x center-region
# Programming
M C-\ indent region between cursor and mark
M-m move to first (non-space) char in this line
M-^ attach this line to previous
M-; formats and indent comment
# C, C++ and Java Modes
M-a beginning of statement
M-e end of statement
M C-a beginning of function
M C-e end of function
C-c RETURN Set cursor to beginning of function and mark at the end
C-c C-q indent the whole function according to indention style
C-c C-a toggle modus in which after electric signs (like {}:\';./*) Emacs does the indention
C-c C-d toggle auto hungry mode in which Emacs deletes groups of spaces with one del-press
C-c C-u go to beginning of this preprocessor statement
C-c C-c comment out marked area
# More general
M-x outline-minor-mode
collapses function definitions in a file to a mere {...}
M-x show-subtree
If you are in one of the collapsed functions, this expands it
# In order to achieve some of the feats coming up,
# now you have to run etags *.c *.h *.cpp
# (or what ever ending you source files have) in the source directory
M-. (Meta dot) If you are in a function call, this will take you to it's definition
M-x tags-search ENTER
Searches through all you etaged
M-, (Meta comma) jumps to the next occurrence for tags-search
M-x tags-query-replace yum.
This lets you replace some text in all the tagged files
# GDB (Debugger)
M-x gdb starts up gdm in an extra window
# Version Control
C-x v d show all registered files in this dir
C-x v = show diff between versions
C-x v u remove all changes since last checkin
C-x v ~ show certain version in different window
C-x v l print log
C-x v i mark file for version control add
C-x v h insert version control header into file
C-x v r check out named snapshot
C-x v s create named snapshot
C-x v a create changelog file in gnu-style
