Microsoft has long maintained that Linux infringes at least 235 of its patents, and it looks like it's reaching deep into the bin for some extra ammo in a new case filed against TomTom over nav systems -- of the eight alleged patent infringements in the complaint, five are specifically about portable navigation devices , while the remaining three cover what look to be filesystem-management techniques inherent to the Linux kernel itself. It seems like the Linux issue is less important to Redmond than the GPS patents -- deputy general counsel Horacio Gutierrez says there aren't any broader plans to go after Linux vendors and that it "respects and appreciates" open source -- but if Microsoft scores a victory here, it'll have an incredible advantage should it decide to tak
