It caches data off the net on your local network. A first time user may feel overwhelmed by the vast number of options available and this article will help a newbie to get familiar with usage of this tool.
Open source is slated as the new mode of economy for the new age.
Samba is a terrific software that bridges the gap between Linux and Windows PC's on the network. File sharing and print services are a lot more transparent though it's a lot easier from the Windows end. Setup is not that difficult either. KDE is just one of the many GUI interfaces that you can use under Linux. This is the first in a three part series that reviews the various KDE applications that you will encounter.