Shortcuts
A repository for every keyboard secret in OS X. Some of these are well known, some are not. Shortcuts in the Menu category are common rather than universal. This list should continue to grow exponentially over time.
Startup
C start from CD
Dstart from 1st partition
Nstart from network server
Tput computer in FireWire Target Disk mode
Xstart in OS X
⌥show all startup disks
⌥⇧⌘⌫start from external drive or CD
⌥⌘OFopen firmware
⌥⌘PRzap PRAM (hold until 2nd chime)
⌘Ssingle user mode
⌘Vverbose
mouse buttoneject CD
⇧after power-up: turn off kernel extensions
after login: prevent startup items from opening
Power
⌃⌘-power restart
⌃⌥⌘-powershut down
⌥⌘-powersleep
Application Management
⌘-tab cycle forward through applications
⇧⌘-tabcycle back through applications
⌘~cycle forward through application windows
⇧⌘~cycle back through application windows
⌥⌘-escForce Quit dialog
⌘-toolbar
lozengecycle forward through toolbar displays
⇧⌘-toolbar
lozengecycle backward through toolbar displays
⇧⌘3screen dump (entire screen)
⇧⌘4screen dump (drag a rectangle)
⇧⌘4,space,clickscreen dump (highlighted window)
⌘-spacecycle forward through keyboard layouts
⇧⌘-spacecycle back through keyboard layouts
⌘-click on windowadjust window in background
⌥-click on Dock
icon or windowswitch to new program, hide previous one
⌥⌘-click on
Dock iconswitch to new program, hide all others
⌘-dragrearrange or remove menulets or toolbar icons
⌘-click
window titleexpose path in popup
⌥-zoom buttonmaximise window
⇧-minimise buttonminimise window slowly
⇧-click minimised
window in Dockopen window slowly
⇧-close buttonclose window slowly
⌥⌘Dtoggle appearance of Dock
⌘-drag onto
Dock iconprevent Dock icons from moving
⌥⌘-drag
onto Dockforce program to open dragged item
Outline View
⌘←Collapse
⌥⌘←Collapse All
⌥-click on
disclosure triangleCollapse All
⌘→Expand
⌥⌘→Expand All
⌥-click on
disclosure triangleExpand All
Safari
⌫Back
⇧⌫Forward
⌘/Status Bar
⌘[Back
⌘Show Page Load Test Window
⌘]Forward
⌘|Address Bar
⇧⌘AAutofill Form
⌥⌘AActivity
⌥⌘BBookmarks Bar
⌥⌘EEmpty Cache
⌥⌘FGoogle Search
⇧⌘GFind Previous
⇧⌘HHome
⌘KBlock Popups
⌘LOpen Location
⌥⌘LDownloads
⇧⌘NAdd Bookmark Folder
⌥⌘PSnapback
⌥⌘SSearch Results Snapback
⌥⌘UView Source
⇧⌘→Next Tab
⇧⌘←Previous Tab
⌘↑Page Upper Left
⌘↓Page Bottom Left
Text
⌃Amove to beginning of paragraph
⌃Bmove one character back
⌃Ddelete character to right
⌃Emove to end of paragraph
⌃Fmove one character forward
⌃Kdelete text to end of paragraph
⌃Nmove to next line
⌃Oinsert newline
⌃Pmove to previous line
⌃Ttranspose characters
⌥⌫delete word to left
Text Field
⌘←move to beginning of line
⌘→move to end of line
Text View
⌥↑move up one page
⌥↓move down one page
⌘←move to beginning of line
⌘→move to end of line
⌘↑move to beginning of view
⌘↓move to end of view
Terminal
⌃Amove to beginning of line
⌃Emove to end of line
⌃Ttranspose characters
⌃Uerase line
esc,Bmove one word back
esc,Ccapitalise next word
esc,Derase next word
esc,Fmove one word forward
esc,Lmake next word lowercase
esc,Umake next word uppercase
esc,⌫erase previous word
Menu
⌘+Make Bigger
⌘,Preferences
⌘-Make Smaller
⌘.Stop
⌘:Spelling
⌘;Check Spelling
⌘?Application Help
⌘ASelect All
⌘BBold
⌘BToggle Toolbar
⌘CCopy
⇧⌘CShow Colors
⌘DAdd Bookmark
⌘DDon’t Save
⌘DFind Previous
⌘EEject
⌘EUse Selection for Find
⇧⌘EExport
⌘FFind
⌘GFind Next
⇧⌘GGo to Folder
⌘HHide Application
⌥⌘HHide Others
⌘IGet Info
⌘IItalic
⇧⌘IImport
⌘JScroll to Selection
⌘KConnect to Server
⌘KErase Deleted Messages
⌘LLink
⇧⌘LLower Case
⌘MMinimize
⌥⌘MMinimize All
⌘NNew (Window)
⌘OOpen
⌘PPrint
⇧⌘PPage Setup
⌘QQuit Application
⇧⌘QLog Out
⌥⇧⌘QLog Out Without Confirmation
⌃⌥⇧⌘QForce Log Out Without Confirmation
⌘RRefresh
⌘SSave
⇧⌘SSave As
⌘TNew Tab
⌘TShow Fonts
⌘UUnderline
⇧⌘UUpper Case
⌥⌘UCapitals
⌘VPaste
⌘WClose Tab
⌘WClose Window
⇧⌘WClose Window
⌥⌘WClose All Windows
⌘XCut
⌘ZUndo
⇧⌘ZRedo
Numeric Pad
fn0Button Hold
fn1Mouse NW
fn2Mouse NN
fn3Mouse NE
fn4Mouse WW
fn5Button Click
fn6Mouse EE
fn7Mouse SW
fn8Mouse WW
fn9Mouse SE
fn.Button Release
Universal Access
⌥⌘*Toggle Zoom
⌥⌘+Zoom In
⌥⌘-Zoom Out
⌃⌥⌘*Toggle Monochrome
⌃F1Toggle Full Keyboard Access
⌃F2Highlight Menu
⌃F3Highlight Dock
⌃F4Highlight Active Window
⌃F5Highlight Toolbar
⌃F6Highlight Utility Window
VoiceOver
⌘F5Toggle VoiceOver
⌃F7Toggle ‘⌃⌥’ Lock
⌃⌥F7Show VoiceOver Menu
⌃⌥F8Open VoiceOver Utility
These were found at http://rixstep.com/2/20040510,00.shtml