.. _cime-internals: ======================== Main Configuration File ======================== The file **$CIMEROOT/config/[cesm,e3sm]/config_files.xml** contains all model-specific information that CIME uses to determine compsets, compset component settings, model grids, machines, batch queue settings, and compiler settings. It contains the following xml nodes, which are discussed below or in subsequent sections of this guide. :: compset definitions: component specific compset settings: pe-settings: grid definitions: machine specific definitions: testing: archiving: CIME components namelists definitions: user-mods directories: