screenshots on mac

1. Command + Shift 3 (Full screen), or
2. Command + Shift 4 (User selection)

The #2 is good but it wouldn’t allow us to select a specific window. To printscreen a specific window in Mac, try this following.

Command + Shift 4, then hit Space

http://www.hongkiat.com/blog/how-to-screen-capture-printscreen-selective-windows-in-mac-os-x/