Taking Screenshots in Mac OS X

Problem: you would like to take a snapshot of all or part of what is being displayed on your Mac.

Solution:

To take a snapshot and save it to a file that will appear on your Mac's desktop...

Cmd+Shift+3...........................................Entire screen
Cmd+Shift+4...........................................Specified region of the screen

Cmd+Shift+4 and then space bar...................Specified window

To take a snapshot and place it in the copy buffer (use Cmd+v to paste it into an app)

Cmd+Ctrl+Shift+3...................................Entire screen

Cmd+Ctrl+Shift+4...................................Specified region of the screen

Cmd+Ctrl+Shift+4 and then space bar...........Specified window

How to Take a Screenshot on your iPhone

Issue: You want to take a screenshot of what's currently displayed on your iPhone (e.g., a webpage, a picture on the Instagram app).

Solution: Hold the On/Off button and quickly press and release the Home button. The screenshot will be stored in your photo library.