You can use
'xwd' to capture windows in Linux
Go Through man xwd
You can also use ksnapshot which comes with KDE which has
a GUI & you can save in different formats.(GIF , JPEG , BMP)
The simplest way to use xwd is
xwd -o filename
The mouse turns into an X and you click on the window.
The contents will be written to file 'filename' <your choice>
The file can be viewed with
display filename
--Mahendra M
RV College of Engineering , Bangalore.
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