"There are three reasons behind the move, Geraud said at the Solution Linux 2008 conference here. The first is to diversify suppliers and reduce the force's reliance on one company, the second is to give the gendarmerie mastery of the operating system and the third is cost, he said.
He also added that "the Linux interface is ahead of other operating systems currently on the market for professional use."
Vista, for example, Microsoft's latest operating system, is being spurned by consumers who cite "concerns about its cost, resource requirements, and incompatibility with their existing applications," according to InformationWeek.com."[...]
"The gendarmerie with its 100,000 employees is the biggest administration to shift to open sourcing for its operating system, but it is not the first in France. That honour belongs to the National Assembly which adopted Ubuntu for its 1,200 PCs in 2007."