In a move aimed at increasing security and cutting costs, the German government says it will switch most of its administrative computers from Microsoft Windows to the Linux open-source operating system. Tux the Penguin is invading Germany. No, the South Pole creatures at the Berlin Zoo haven't escaped. The bird behind this feathery technology attack is the coat-and-tie clad mascot for the computer operating system Linux. The German government said on Monday it had reached a deal with software giant IBM to deploy Linux software at all government agencies. Saving money, increasing security The move came as a serious blow...