/usr/share/code_saturne/user/ is in code-saturne-data 3.3.2-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/code_saturne/user/cs_user_atmospheric_model.f90
/usr/share/code_saturne/user/cs_user_boundary_conditions.f90
/usr/share/code_saturne/user/cs_user_coupling.c
/usr/share/code_saturne/user/cs_user_extra_operations.c
/usr/share/code_saturne/user/cs_user_extra_operations.f90
/usr/share/code_saturne/user/cs_user_fluid_structure_interaction.f90
/usr/share/code_saturne/user/cs_user_initialization.f90
/usr/share/code_saturne/user/cs_user_les_inflow.f90
/usr/share/code_saturne/user/cs_user_mesh.c
/usr/share/code_saturne/user/cs_user_modules.f90
/usr/share/code_saturne/user/cs_user_parameters.f90
/usr/share/code_saturne/user/cs_user_particle_tracking.f90
/usr/share/code_saturne/user/cs_user_performance_tuning.c
/usr/share/code_saturne/user/cs_user_physical_properties.f90
/usr/share/code_saturne/user/cs_user_postprocess.c
/usr/share/code_saturne/user/cs_user_postprocess_var.f90
/usr/share/code_saturne/user/cs_user_radiative_transfer.f90
/usr/share/code_saturne/user/cs_user_solver.c
/usr/share/code_saturne/user/cs_user_source_terms.f90
/usr/share/code_saturne/user/cs_user_turbomachinery.c
/usr/share/code_saturne/user/usalcl.f90
/usr/share/code_saturne/user/usatch.f90
/usr/share/code_saturne/user/usctdz.f90
/usr/share/code_saturne/user/uselrc.f90
/usr/share/code_saturne/user/ushist.f90
/usr/share/code_saturne/user/uskpdc.f90
/usr/share/code_saturne/user/uslaen.f90
/usr/share/code_saturne/user/uslag1.f90
/usr/share/code_saturne/user/uslag2.f90
/usr/share/code_saturne/user/usporo.f90
/usr/share/code_saturne/user/uspt1d.f90
/usr/share/code_saturne/user/usray1.f90
/usr/share/code_saturne/user/usray2.f90
/usr/share/code_saturne/user/usthht.f90
/usr/share/code_saturne/user/ustsma.f90
/usr/share/code_saturne/user/usvort.f90
/usr/share/code_saturne/user/usvosy.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-advanced.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-atmospheric.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-auto_inlet_profile.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-base.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-compressible.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-cooling_towers.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-electric_arcs.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-electric_arcs_ieljou_3_or_4.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-fuel.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-gas_3ptchem.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-gas_ebu.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-gas_libby_williams.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-pulverized_coal.f90
/usr/share/code_saturne/user_examples/cs_user_boundary_conditions-pulverized_coal_lagrangian.f90
/usr/share/code_saturne/user_examples/cs_user_extra_operations-energy_balance.f90
/usr/share/code_saturne/user_examples/cs_user_extra_operations-extract_1d_profile.f90
/usr/share/code_saturne/user_examples/cs_user_extra_operations-force_temperature.f90
/usr/share/code_saturne/user_examples/cs_user_extra_operations-global_efforts.f90
/usr/share/code_saturne/user_examples/cs_user_extra_operations-parallel_operations.f90
/usr/share/code_saturne/user_examples/cs_user_extra_operations-scalar_balance.c
/usr/share/code_saturne/user_examples/cs_user_initialization-atmospheric.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-base.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-compressible.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-cooling_towers.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-electric_arcs.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-fuel.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-gas_3ptchem.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-gas_ebu.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-gas_libby_williams.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-pulverized_coal.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-time_step.f90
/usr/share/code_saturne/user_examples/cs_user_initialization-unified_combustion_coal.f90
/usr/share/code_saturne/user_examples/cs_user_les_inflow-base.f90
/usr/share/code_saturne/user_examples/cs_user_mesh-groups_from_free_faces.c
/usr/share/code_saturne/user_examples/cs_user_parameters-cavitation.f90
/usr/share/code_saturne/user_examples/cs_user_parameters-output.f90
/usr/share/code_saturne/user_examples/cs_user_physical_properties-coal_drift.f90
/usr/share/code_saturne/user_examples/cs_user_physical_properties-scalar_drift.f90
/usr/share/code_saturne/user_examples/cs_user_postprocess-sfc.c
/usr/share/code_saturne/user_examples/usatch_4spe5reac.f90