It's not even like Windows works any differently; it just has something like Klipper as a standard background process. If Klipper didn't have a tray icon (necessary to provide features not available in Windows, like clipboard history) you wouldn't even be able to tell the difference.
Posted Jun 15, 2012 21:16 UTC (Fri) by cortana (subscriber, #24596)
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And some part of GNOME or GTK+ has done a similar job (for at least text selections) for several years, as I'm perfectly able to paste text once I close the gedit instance from which it was copied. The fact that I don't know where this component may be found is a testament to its reliability, as if I had filed a bug on it I'd have tried to find out. :_)