Files
---------
C-x C-f   find-file
C-x C-r	  find-file-read-only
C-x C-w	  write-file
C-x i	  insert-file
C-x C-v	  find-alternate-file (kills current buffer)
C-x 4 f	  find-file-other-window
C-x 4 r	  find-file-read-only-other-window

Buffers
-----------
C-x C-s	  save-buffer
C-x C-c	  save-buffers-kill-emacs
C-x k	  kill-buffer
C-x C-q	  vc-toggle-read-only (make buffer read-only)
C-x C-b	  list-buffers
C-x b	  switch-to-buffer
C-x s	  save-some-buffers
M-~	  not-modified (mark buffer as unmodified)

Moving Around
-----------------
M-&	  beginning-of-buffer
M-<	  end-of-buffer
C-a	  beginning-of-line
C-e	  end-of-line
M-b	  backward-word (also C-left or M-left)
M-f	  forward-word (also C-right or M-right)
M-a	  backward-sentence
M-e	  forward-sentence
M-{	  backward-paragraph (also C-up)
M-}	  forward-paragraph (also C-down)
C-v	  scroll-up
M-v	  scroll-down
M-PGUP    scroll-other-window-down (up! it's nuts!)
M-PGDN    scroll-other-window (down!)
M-m	  back-to-indentation
C-l	  recenter

Changing Case
-----------------
M-c	  capitalize-word
M-u	  upcase-word
M-l	  downcase-word
C-x C-u	  upcase-region
C-x C-l	  downcase-region

Editing
-----------
C-d	  delete-char
M-d	  kill-word (also C-DEL)
M-DEL	  backward-kill-word (also C-BKSPC)
C-k	  kill-line
M-k	  kill-sentence
C-t	  transpose-chars
M-t	  transpose-words
C-x C-t	  transpose-lines
C-o	  open-line
C-x C-o	  delete-blank-lines
M-i	  tab-to-tab-stop
M-q	  fill-paragraph

Cut-Copy-Paste
------------------
C-SPC	  set-mark-command
C-w	  kill-region (also S-DEL)
M-w	  kill-ring-save (copy to kill-ring)
C-y	  yank
M-y	  yank-pop (after C-y, yanks previous kills)
M-h	  mark-paragraph
C-x h	  mark-whole-buffer
C-x C-x	  exchange-point-and-mark

Searching
-------------
C-r	  isearch-backward
C-s	  isearch-forward
M-C-r	  isearch-backward-regexp
M-C-s	  isearch-forward-regexp

Replacing
-------------
M-%	  query-replace
M C-%	  query-replace-regexp

Responses During Query Replace
----------------------------------
y     replace this instance
n     dont replace this one
!     replace all remaining instances
.     replace this one and exit
,     replace but leave point here
^     back up to previous replacement
C-r   recursive edit
C-M-c exit-recursive-edit
?     help
q     exit

Macro Commands
------------------
C-x (	  start-kbd-macro
C-x )	  end-kbd-macro
C-x e	  call-last-kbd-macro
C-x q	  kbd-macro-query
C-x C-k	  edit-kbd-macro

Windows
-----------
C-x 0	  delete-window
C-x 1	  delete-other-windows
C-x 2	  split-window-vertically
C-x 3	  split-window-horizontally
C-x o	  other-window
C-x -	  shrink-window-if-larger-than-buffer
C-x ^	  enlarge-window
C-x {	  shrink-window-horizontally
C-x }	  enlarge-window-horizontally
C-x +	  balance-windows

Sundry
----------
C-x z	  repeat
C-_	  undo
C-x u	  advertised-undo
M-!	  shell-command
C-q	  quoted-insert
M-=	  count-lines-region
C-x l	  count-lines-page
C-u	  universal-argument 
          (followed by ### and command)
C-x f	  set-fill-column 
          (Set to 80: M-8 M-0 C-x f)

Spell Checker
-----------------
M-$   ispell-word
  i   accept and insert into dictionary
  a   accept for this session only
  SPC accept just this once

Help Commands
-----------------
C-h ?	  help-for-help
C-h q	  help-quit
C-h v	  describe-variable
C-h f	  describe-function
C-h k	  describe-key
C-h c	  describe-key-briefly
C-h a	  apropos-command
C-h b	  describe-bindings
C-h m	  describe-mode
C-h F	  view-emacs-FAQ