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begin{document}

begin{multicols*}{4}

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begin{center}
     color{cyan!75}
     Largetextbf{GNU Emacs Reference Card} \
     normalsize (for version 23)\
end{center}

subsection{Starting Emacs}
To enter GNU Emacs 23, just type its name:quadtextpink{emacs}

subsection{Leaving Emacs}
begin{tabular}{@{}p{7cm}L@{}}
suspend Emacs (or iconify under X) & C-z \
exit Emacs permanently & C-x C-c \
end{tabular}

subsection{Files}
begin{tabular}{@{}p{7cm}L@{}}
textbf{read} a file into Emacs & C-x C-f \
textbf{save} a file back to disk & C-x C-s \
save textbf{all} files & C-x s \
insert contents of another file into this buffer & C-x i \
dots \
end{tabular}

subsection{Motion}
begin{tabular}{@{}p{5.75cm}LL@{}}
textbf{entity to move over } & textyellow{backward} & textyellow{forward} \
character & C-b & C-f \
dots \
scroll to next screen & multicolumn{2}{c}{textpink{C-v}} \
dots \
end{tabular}

end{multicols*}
end{document}

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begin{document}
pagecolor{bg}
color{task}
begin{center}
  Hugetextcolor{head}{Emacs Help}
end{center}

bigskip

begin{multicols}{4}
section{Files}
save textbf{all} fileshfillkbd{C-x s}\
replace this file with the file you really wanthfillkbd{C-x C-v}\
write buffer to a specified filehfillkbd{C-x C-w}\
toggle read-only status of bufferhfillkbd{C-x C-q}

section{Buffers}
select another bufferhfillkbd{C-x b}\
list all buffershfillkbd{C-x C-b}\
kill a bufferhfillkbd{C-x k}

section{Getting Help}
For the help system, type kbd{C-h} or kbd{F1} and follow the
directions. For a textbf{tutorial}, type kbd{C-h t}.

remove help windowhfillkbd{C-x 1}\
scroll help windowhfillkbd{C-M-v}\
apropos: show commands matching a stringhfillkbd{C-h a}\
describe the function a key runshfillkbd{C-h k}\
describe a functionhfillkbd{C-h f}\
get mode-specific informationhfillkbd{C-h m}

subsection{Info}
enter the Info documentation readerhfillkbd{C-h i}\
find specified function or variable in Infohfillkbd{C-h S}

subsubsection{Moving within a node}
scroll forwardhfillkbd{SPC}\
scroll reversehfillkbd{DEL}\
beginning of nodehfillkbd{.} (dot)

subsubsection{Moving between nodes}
textbf{next} nodehfillkbd{n}\
textbf{previous} nodehfillkbd{p}\
move textbf{up}hfillkbd{u}\
select menu item by namehfillkbd{m}\
select textit{n}th menu item by number (1–9)hfillkbd{itshape n}\
follow cross reference  (return with kbd{l})hfillkbd{f}\
return to last node you sawhfillkbd{l}\
return to directory nodehfillkbd{d}\
go to top node of Info filehfillkbd{t}\
go to any node by namehfillkbd{g}

subsubsection{Other}
run Info textbf{tutorial}hfillkbd{h}\
look up a subject in the indiceshfillkbd{i}\
search nodes for regexphfillkbd{s}\
textbf{quit} Infohfillkbd{q}

section{In the Minibuffer}
complete as much as possiblehfillkbd{TAB}\
complete up to one wordhfillkbd{SPC}\
complete and executehfillkbd{RET}\
show possible completionshfillkbd{?}\
fetch previous minibuffer inputhfillkbd{M-p}\
fetch later minibuffer input or defaulthfillkbd{M-n}\
regexp search backward through historyhfillkbd{M-r}\
regexp search forward through historyhfillkbd{M-s}\
abort commandhfillkbd{C-g}

Type kbd{C-x ESC ESC} to edit and repeat the last command that
used the minibuffer.

section{Error Recovery}
textbf{abort} partially typed or executing commandhfillkbd{C-g}\
textbf{recover} files after crashhfillkbd{M-x recover-session}\
textbf{undo} unwanted changehfillkbd{C-x u}, kbd{C-_} or kbd{C-/}\
restore original contentshfillkbd{M-x revert-buffer}\
redraw garbaged screenhfillkbd{C-l}

section{Motion}
begin{tabular*}{1linewidth}{@{}l@{extracolsep{fill}}ll@{}}
bfseries entity to move over & bfseries backward & bfseries forward\
word & kbd{M-b} & kbd{M-f}\
line & kbd{C-p} & kbd{C-n}\
sentence & kbd{M-a} & kbd{M-e}\
paragraph & kbd{M-{} & kbd{M-}}\
page & kbd{C-x [} & kbd{C-x ]}\
sexp & kbd{C-M-b} & kbd{C-M-f}
end{tabular*}

scroll lefthfillkbd{C-x <}\
scroll righthfillkbd{C-x >}

section{Marking}
set mark herehfillkbd{C-@} or kbd{C-SPC}\
exchange point and markhfillkbd{C-x C-x}\
set mark textit{arg} textbf{words} awayhfillkbd{M-@}\
mark textbf{paragraph}hfillkbd{M-h}\
mark textbf{page}hfillkbd{C-x C-p}\
mark textbf{sexp}hfillkbd{C-M-@}\
mark textbf{function}hfillkbd{C-M-h}\
mark entire textbf{buffer}hfillkbd{C-x h}

section{Killing}
begin{tabular*}{1linewidth}{@{}l@{extracolsep{fill}}ll@{}}
bfseries entity to kill & bfseries backward & bfseries forward\
word & kbd{M-DEL} & kbd{M-d}\
line (to end of) & kbd{M-0 C-k} & kbd{C-k}\
sentence & kbd{C-x DEL} & kbd{M-k}\
sexp & kbd{M-mbox{}- C-M-k} & kbd{C-M-k}\
end{tabular*}

kill textbf{region}hfillkbd{C-w}\
copy region to kill ringhfillkbd{M-w}\
kill through next occurrence of textit{char}hfillkbd{M-z} textit{char}\
yank back last thing killedhfillkbd{C-y}\
replace last yank with previous killhfillkbd{M-y}

section{Spelling}
check current wordhfillkbd{M-$}

section{Transposing}
transpose textbf{characters}hfillkbd{C-t}\
transpose textbf{words}hfillkbd{M-t}\
transpose textbf{lines}hfillkbd{C-x C-t}\
transpose textbf{sexps}hfillkbd{C-M-t}

section{Incremental Search}
search forwardhfillkbd{C-s}\
search backwardhfillkbd{C-r}\
regular expression searchhfillkbd{C-M-s}\
reverse regular expression searchhfillkbd{C-M-r}\
select previous search stringhfillkbd{M-p}\
select next later search stringhfillkbd{M-n}\
exit incremental searchhfillkbd{RET}\
undo effect of last characterhfillkbd{DEL}\
abort current searchhfillkbd{C-g}

Repeat kbd{C-s} or kbd{C-r} to repeat the search.  If Emacs is still
searching, kbd{C-g} cancels only the part not matched.

section{Query Replace}
interactively replace a text stringhfillkbd{M-%}\
using regular expressionshfillkbd{C-M-%}

Valid responses are:

textbf{replace} this one, go on to nexthfillkbd{SPC}\
replace this one, don’t movehfillkbd{,}\
textbf{skip} to next without replacinghfillkbd{DEL}\
replace all remaining matcheshfillkbd{!}\
textbf{back up} to the previous matchhfillkbd{^{}}\
textbf{exit} query-replacehfillkbd{RET}\
enter recursive edit (kbd{C-M-c} to exit)hfillkbd{C-r}

section{Regular Expressions}
any single character except a newlinehfillkbd{.} (dot)\
zero or more repeatshfillkbd{*}\
one or more repeatshfillkbd{+}\
zero or one repeathfillkbd{?}\
quote regular expression special character textit{c}hfillkbd{textbackslashitshape c}\
alternative (“or”)hfillkbd{textbackslash|}\
groupinghfillkbd{textbackslash( ... )}\
same text as textit{n}th grouphfillkbd{textbackslashitshape n}\
at word breakhfillkbd{textbackslash b}\
not at word breakhfillkbd{textbackslash B}

begin{tabular*}{1linewidth}{@{}l@{extracolsep{fill}}ll@{}}
bfseries entity & bfseries match start & bfseries match end\
line & kbd{^{}} & kbd{$}\
word & kbd{<} & kbd{>}\
buffer & kbd{`} & kbd{'}\[.5ex]
bfseries class of characters & bfseries match these & bfseries match others\
explicit set & kbd{[ ... ]} & kbd{[^{} ... ]}\
word-syntax character & kbd{w} & kbd{W}\
character with syntax textit{c} & kbd{s}textit{c} & kbd{S}textit{c}
end{tabular*}

section{Tags}
find a tag (a definition)hfillkbd{M-.}\
find next occurrence of taghfillkbd{C-u M-.}\
specify a new tags filehfillkbd{M-x visit-tags-table}\
regexp search all files in tags tablehfillkbd{M-x tags-search}\
query-replace in the fileshfillkbd{M-x tags-query-replace}\
continue last tags search or query-replacehfillkbd{M-,}

section{Formatting}
indent current textbf{line} (mode-dependent)hfillkbd{TAB}\
indent textbf{region} (mode-dependent)hfillkbd{C-M-textbackslash}\
indent textbf{sexp} (mode-dependent)hfillkbd{C-M-q}\
indent region rigidly textit{arg} columnshfillkbd{C-x TAB}\
move rest of line vertically downhfillkbd{C-M-o}\
delete blank lines around pointhfillkbd{C-x C-o}\
join line with previous (with arg, next)hfillkbd{M-^{}}\
delete all white space around pointhfillkbd{M-textbackslash}\
set fill column to textit{arg}hfillkbd{C-x f}\
set prefix each line starts withhfillkbd{C-x .}\
set facehfillkbd{M-o}

section{Case Change}
uppercase wordhfillkbd{M-u}\
lowercase wordhfillkbd{M-l}\
capitalize wordhfillkbd{M-c}\
uppercase regionhfillkbd{C-x C-u}\
lowercase regionhfillkbd{C-x C-l}

section{Rectangles}
copy rectangle to registerhfillkbd{C-x r r}\
kill rectanglehfillkbd{C-x r k}\
yank rectanglehfillkbd{C-x r y}\
open rectangle, shifting text righthfillkbd{C-x r o}\
blank out rectanglehfillkbd{C-x r c}\
prefix each line with a stringhfillkbd{C-x r t}

section{Multiple Windows}
When two commands are shown, the second is a similar command for a
frame instead of a window.

begin{tabular*}{1linewidth}{@{}l@{extracolsep{fill}}ll@{}}
delete all other windows & kbd{C-x 1} & kbd{C-x 5 1}\
split window, above and below & kbd{C-x 2} & kbd{C-x 5 2}\
delete this window & kbd{C-x 0} & kbd{C-x 5 0}
end{tabular*}

split window, side by sidehfillkbd{C-x 3}\
scroll other windowhfillkbd{C-M-v}

begin{tabular*}{1linewidth}{@{}l@{extracolsep{fill}}ll@{}}
switch cursor to another window & kbd{C-x o} & kbd{C-x 5 o}\
select buffer in other window & kbd{C-x 4 b} & kbd{C-x 5 b}\
find file in other window & kbd{C-x 4 f} & kbd{C-x 5 f}\
find file read-only in other window & kbd{C-x 4 r} & kbd{C-x 5 r}\
run Dired in other window & kbd{C-x 4 d} & kbd{C-x 5 d}\
find tag in other window & kbd{C-x 4 .} & kbd{C-x 5 .}
end{tabular*}

grow window tallerhfillkbd{C-x ^{}}\
shrink window narrowerhfillkbd{C-x {}\
grow window widerhfillkbd{C-x }}

section{Shells}
execute a shell commandhfillkbd{M-!}\
run a shell command on the regionhfillkbd{M-|}\
filter region through a shell commandhfillkbd{C-u M-|}\
start a shell in window kbd{*shell*}hfillkbd{M-x shell}

section{Abbrevs}
add global abbrevhfillkbd{C-x a g}\
add mode-local abbrevhfillkbd{C-x a l}\
add global expansion for this abbrevhfillkbd{C-x a i g}\
add mode-local expansion for this abbrevhfillkbd{C-x a i l}\
explicitly expand abbrevhfillkbd{C-x a e}\
expand previous word dynamicallyhfillkbd{M-/}

section{Registers}
save region in registerhfillkbd{C-x r s}\
insert register contents into bufferhfillkbd{C-x r i}\
save value of point in registerhfillkbd{C-x r SPC}\
jump to point saved in registerhfillkbd{C-x r j}

section{Keyboard Macros}
textbf{start} defining a keyboard macrohfillkbd{C-x (}\
textbf{end} keyboard macro definitionhfillkbd{C-x )}\
textbf{execute} last-defined keyboard macrohfillkbd{C-x e}\
append to last keyboard macrohfillkbd{C-u C-x (}\
name last macrohfillkbd{M-x name-last-kbd-macro}\
insert definition in bufferhfillkbd{M-x insert-kbd-macro}
end{multicols}
end{document}