= Configuration files In addition to the xref:helgobox::configuration-files.adoc[general configuration files], ReaLearn maintains the following ones: `Data/helgoboss/auto-load-configs/fx.json`:: Contains global FX-to-preset links, see xref:further-concepts/unit.adoc#auto-load[] `Data/helgoboss/presets/controller`:: Contains preset for the controller compartment `Data/helgoboss/presets/main`:: Contains preset for the main compartment `Helgoboss/ReaLearn/osc.json`:: Global OSC device configurations, see xref:user-interface/main-panel/input-output-section.adoc#manage-osc-devices[]