How does screenshot work in an OS running Xorg

Thomas Lübking thomas.luebking at
Tue Mar 11 13:40:28 PDT 2014

On Dienstag, 11. März 2014 21:06:20 CEST, Hongze Zhao wrote:
> Hi List,
> I am curious about how screenshot  in an OS running Xorg works? I guess
> Linux does not provide such a system call or interface. Is screenshot
> implemented by calling a special xorg interface?

Coding C(++):

As user tool, xwd should be available everywhere (?), the DEs provide their own utils and there're plenty of other tools to provide this, but afaik no common call to trigger the desktop aware screenshot utility.


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