| Key Combination |
Effect |
| mouse down |
Eject removable media
( I think Boot ROMs prior to 2.4f1 excluded the CD drive ) |
| opt |
Bring up OF system
picker on New World machines - boot to 9 on pre-New World machines |
| cmd-period |
When OF system picker
is active, open the CD tray |
| cmd-opt |
Hold down until 2nd
chime, will boot into Mac OS 9 ? |
| cmd-x (or just x?) |
Will boot into Mac
OS X if 9 and X are on the same partition and that's the partition you're
booting from. |
| cmd-opt-shift-delete |
Bypass startup drive
and boot from external (or CD). This actually forces the system to NOT load
the driver for the default volume, which has the side effect mentioned above.
For SCSI devices it searches from highest ID to lowest for a partition with
a bootable system. Not sure about IDE drives. |
| cmd-opt-shift-delete-# |
Boot from a specific
SCSI ID # (# = SCSI ID number) |
| cmd-opt-p-r |
Zap PRAM. Hold down
until second chime. |
| cmd-opt-n-v |
Clear NV RAM. Similar
to reset-all in Open Firmware. |
| cmd-opt-o-f |
Boot into open firmware |
| cmd-opt-t-v |
Force Quadra AV machines
to use TV as a monitor |
| cmd-opt-x-o |
Boot from ROM (Mac
Classic only) |
| cmd-opt-a-v |
Force an AV monitor
to be recognized as one |
| c |
Boot from CD. If set
to boot to X and no CD is present, may boot to 9. |
| d |
Force the internal
hard disk to be the startup device |
| n |
Hold down until Mac
logo, will attempt to boot from network server (using BOOTP or TFTP) |
| r |
Force PowerBooks to
reset the screen |
| t |
Put FireWire machine
into FireWire Target Disk mode |
| z |
Attempt to boot using
the devalias zip from first bootable partition found |
| ctl-cmd-shift-power |
Reset power manager
(with computer off) |
| shift |
(Classic only) Disable
Extensions |
| shift |
(OS X, 10.1.3 and later)
Disables login items. Also disables non-essential kernel extensions (safe
boot mode) |
| cmd |
(Classic only) Boot
with Virtual Memory off |
| space |
(Classic only) Trigger
extension manager at boot-up |
| cmd-v |
(OS X only) show console
messages during boot |
| cmd-s |
(OS X only) boot into
single user mode |
| cmd-opt-c-i |
(Mac IIci only) Set
date to 20 Sep 1989 to get a graphical easter egg |
| cmd-opt-f-x |
(Mac IIfx only) Set
date to 19 Mar 1990 to get a graphical easter egg |
| cmd-opt-shift-tab-delete |
Erase startup disk
under 7.1(?) |
| opt-click close box
(or cmd-opt-w) |
Close all open finder
windows (except popup windows) |
| cmd-shift-opt-w |
Close all open finder
windows (including popup windows) |
| cmd-right arrow |
Open folder in list
view |
| cmd-opt-right arrow |
Recursively open folder
and nested folders in list view |
| cmd-left arrow |
Close folder in list
view |
| cmd-opt-left arrow |
Recursively close folder
and nested folders in list view |
| cmd-up arrow |
Open parent folder.
On Mac OS X, when nothing is selected and no windows are open, open User
directory |
| cmd-opt-up arrow |
Open parent folder,
closing current folder |
| cmd-opt-shift-up arrow |
Make desktop the active
window, select parent volume |
| cmd-down arrow |
Open selected item.
On Mac OS X, when nothing is selected and no windows are open, open the
desktop folder |
| cmd-opt-down arrow |
Open selected item,
closing current folder |
| opt-click |
(In disclosure triangle)
expand or collapse all folders within that window |
| tab |
select next icon alphabetically |
| shift-tab |
select previous item
alphabetically |
| cmd-delete |
move selection to trash |
| cmd-shift-delete |
empty trash |
| space |
while navigating, opens
folder under mouse immediately (with spring-loaded folders enabled) |
| |
| In
Finder Window Menu |
| cmd-select |
Close window |
| cmd-shift-select |
Put away popup window |
| cmd-opt-select |
Expand selected window
and close all others |
| ctl-select |
Expand selected window
and collapse all others |
| ctl-opt-select |
Activate selected window
and expand all others |
| Key Combination |
Effect |
| |
| On
machines with a power key |
| power |
Bring up dialog for
shutdown, sleep or restart (see next table) |
| cmd-ctrl-power |
Unconditionally reboot
(sometimes referred to as 'control flower power' to easily remember) (dirty
reboot - may corrupt disk) |
| ctrl-cmd-opt-power |
Fast shutdown |
| cmd-power |
Bring up debugger (if
debugger installed). Really old macs (mac ii era) needed Paul Mercer's debugger
init to do this, then it got folded into the firmware, around 040 timeframe. |
| cmd-opt-power |
Put late model PowerBooks
& Desktops to sleep |
| cmd-opt-ctrl-power |
(PowerBook 500) Reset
Power Manager |
| shift-fn-ctrl-power |
(PowerBook G3, G4)
Reset Power Manager |
| |
| On
machines without a power key |
| ctrl-eject |
Bring up dialog for
shutdown, sleep or restart (see next table) |
| cmd-ctrl-eject |
Unconditionally reboot |
| ctrl-cmd-opt-eject |
Fast shutdown |
| cmd-eject |
Bring up debugger (if
debugger installed). Really old macs (mac ii era) needed Paul Mercer's debugger
init to do this, then it got folded into the firmware, around 040 timeframe. |
| cmd-opt-eject |
Put late model PowerBooks
& Desktops to sleep |
| |
| On
all machines |
| cmd-opt-esc |
Force quit current
app |
| cmd-shift-0 |
Put late model PowerBooks
& Desktops to sleep No longer work in OS X. On Macs with three floppy
drives (Mac SE) they eject the third floppy disk. |
| cmd-shift-1 or 2 |
Eject internal or external
floppy. Not sure which is which on dual floppy machines (Mac SE, Mac II,
etc.) |
| cmd-shift-3 |
Screen shot |
| cmd-shift-4 |
Abstract user defined
area screen shot (hold control while selecting to direct it to the clipboard
on Mac OS 9) |
| cmd-shift-capslock-4 |
(Classic only) User
selectable window screen shot |
| cmd-ctl-shift-3 |
Screen shot to clipboard |
| cmd-ctl-shift-4 |
Abstract user defined
area screen shot to clipboard |
| cmd-ctl-shift-capslock-4 |
(Classic only) User
selectable window screen shot to clipboard (classic only) |
| cmd-tab |
Switch apps (possible
to change key in Mac OS 8-9) |
| cmd-shift-tab |
Switch apps in reverse
order |
| cmd-space |
Switch keyboards/script
systems (if more than one is installed) |
| opt-f3, opt-f4 or opt-f5 |
bring up the system
preferences (Mac OS X only - maybe powerbooks only? only if system preferences
isn't already running) |
| cmd-f1 |
toggle between video
mirroring and extended desktop mode (works on Ti Powerbooks) |
| cmd-f2 |
auto-detect a newly-connected
display (works on Ti Powerbooks) |
| f12 |
Eject CD/DVD (must
be held down on 10.1.2 or later). If the device can be dismounted, it is.
If not, nothing happens. |
| f14 |
dim display (cubes/g4
iMacs/others?) |
| f15 |
brighten display (cubes/g4
iMacs/others?) |
| cmd-ctl-shift-0 |
Spin down HD (when
possible) on machines running OS 9 |
| opt-"Empty Trash" |
Emptry trash without
locked file or contents summary alert. Empties locked items, as well |
| cmd-opt-D |
(Mac OS X only) toggle
dock |
| cmd-opt (when opening
chooser) |
(Mac OS 9 only) rebuild
chooser cache of printer driver information |
| click
/ modifier |
Effect |
| option-click in another
application |
Switch to that application
and hide previous app |
| cmd-drag (window) |
Drag window without
bringing it to front (requires application support to work behind dialogs) |
| cmd-drag (window background) |
Pan contents of window
with hand (Finder) |
| cmd-drag (Mac OS X) |
Rearrange menu extras |
| opt-drag (file) |
Copy file |
| cmd-opt-drag (file) |
Make alias of file |
| cmd-click window title |
Pop-up menu showing
path to current folder/document (in some applications) |
| option-windowshade |
Windowshade all windows
of application (classic only) |
| option-zoom |
Zoom window to full-screen |
| option-yellow |
Dock all windows of
application (Mac OS X only) |
| option-green |
Zoom window to fill
screen (in some applications) |
| |
| Mac
OS X only - items in dock |
| cmd-click |
Reveal in Finder |
| cmd-opt-click |
Activate app and hide
other apps |
| ctl-click (or click
and hold) |
contextual menu |
| cmd-drag into dock |
Freeze current dock
items from moving so icon can be dropped onto an app |
| cmd-opt-drag into dock |
Force application you're
dropping onto to open dropped item |
