Exporting world map images

I am trying to get an image of the world I generated, but I cannot figure out where it is getting saved to. I am looking in the root folder, where the wiki states it will be there, but all I see are dlls?

To be clear, I generated a world, went into legends, and tried to export an image of the world. Please help

edit: Nevermind. Evidently I need to run dwarf fortress from the command line for it to work.