Command-Shift-3: Take a
screenshot of the screen,
and save it as a file on the
desktop Command-Shift-4, then
select an area: Take a
screenshot of an area and
save it as a file on the
desktop Command-Shift-4, then
space, then click a window:
Take a screenshot of a
window and save it as a file
on the desktop Command-Control-Shift-3:
Take a screenshot of the
screen, and save it to the
clipboard Command-Control-Shift-4,
then select an area: Take a
screenshot of an area and
save it to the clipboard Command-Control-Shift-4,
then space, then click a
window: Take a screenshot
of a window and save it to
the clipboard following keys can be held down
while selecting an area (via
Command-Shift-4 or Command-
Control-Shift-4): Space, to lock the size of
the selected region and
instead move it when the
mouse moves Shift, to resize only one
edge of the selected region Option, to resize the
selected region with its
center as the anchor point

option changed command
hanging Screenshot
Options Various other screenshot
settings can also be changed
via the Terminal, listed below.
These commands must be
followed by the following
command for them to take effect: killall SystemUIServer Setting Key Parameters Example Screenshot format
type
image format
(eg jpg, tiff, pdf, png, bmp or
pict)
defaults write com.apple.screencapture type
png
Location to save screenshots
location
path ~/Desktop/ (default) defaults write
com.apple.screencapture location
~/Pictures/Screenshots/
Whether screenshots of
windows should show shadows
disable-shadow -bool true to disable shadows -bool false to enable shadows
(default) defaults write
com.apple.screencapture disable-
shadow -bool true
Filename prefix for screenshots
name
Filename "Screen Shot" (default) defaults write
com.apple.screencapture name
"Screen Capture" Results in filenames such as
"Screen Capture 2013-07-12 at
2.24PM"