Mac OS X Tiger in a Nutshell

Meta-Key Sequences

Binding	Command	Action
M-- M-c	negative-argument; capitalize-word	Capitalize previous word.
M-- M-l	negative-argument; downcase-word	Lowercase previous word.
M-- M-u	negative-argument; upcase-word	Uppercase previous word.
M-$	spell-word	Check spelling of word after cursor.
M-%	query-replace	Search for and replace a string.
M-!	shell-command	Prompt for a shell command and run it.
M-<	beginning-of-buffer	Move to beginning of file.
M->	end-of-buffer	Move to end-of-file.
M-{	backward-paragraph	Move backward one paragraph.
M-}	forward-paragraph	Move forward one paragraph.
M-^	delete-indentation	Join this line to the previous one.
M-n	digit-argument	Repeat the next command n times.
M-n C-x e	digit-argument; call-last-kbd-macro	Execute the last defined macro n times.
M-a	backward-sentence	Move backward one sentence.
M-b	backward-word	Move one word backward.
M-c	capitalize-word	Capitalize first letter of word.
M-C-\	indent-region	Indent a region to match first line in region.
M-C-c	exit-recursive-edit	Exit a recursive edit.
M-C-o	split-line	Split line at cursor; indent to column of cursor.
M-C-r	isearch-backward-regexp	Incremental search backward for regular expression.
M-C-s	isearch-forward-regexp	Incremental search forward for regular expression.
M-C-v	scroll-other-window	Scroll other window.
M-d	kill-word	Delete word that cursor is on.
M-Del	backward-kill-word	Delete previous word.
M-e