Take a screenshot

To take a screenshot via command line and save it as desktop.jpg:

• install imagemagick, e.g. for Ubuntu Linux:

apt-get install imagemagick

• use the command import to take the screenshot:

import -window root desktop.jpg

• to find out the ID of a window, call

xprop

and click on the window

One-key-screenshot

import -window root snapshot-$(date +%Y-%m-%d_%H-%M-%S).jpg