Taking Screenshots in Gnome..
One can take screenshots using gnome-screenshot tool.
open console and enter
gnome-screenshot and it will take screenshot of whole screen. If you need to take a delayed screen show enter
$gnome-screenshot -d 10
The above command delays the screenshot by 10 secs.. This is useful if you
want to take a screenshot when the system menus are open. When you open
Applications menu and press on printscreen button the menu gets closed
or you cannot take a screenshot of the opened menu. If you use above
command you can take screenshot of the opened menu.
if you need to take screenshot of a window enter
$gnome-screenshot -w -d 5
and select the wind which you need to take a screenshot. Or you can press alt+printscreen.
You can also use gimp for taking screenshots. Open gimp and goto
file–>acquire–>screenshot and you will see a small window
with options to take screenshot of an active window or to take
screenshot of full screen or of a selected area.. Select the option of your choice and click on snap button to take screen shot.