About MaraOS. MaraOS, formerly called Marathon Runner, is an application that makes it easier to manage all the different Marathon accessory files (modules) you might have accumulated. The usual way to do this involves a lot of copying, moving, renaming, and forgetting. I wrote MaraOS to make this process somewhat simpler- it moves files to their proper place and renames them, freeing you to organize and name modules as you see fit. By keeping track of names and locations for you, MaraOS allows you to get on with the killing with the minimum of fuss. It does this by searching for modules w...