[mod3 (modulerc)]$ module purge
[mod3 (modulerc)]$ module load pgi/19.4
[mod3 (modulerc)]$ module load openmpi
[mod3 (modulerc)]$ module list
Currently Loaded Modulefiles:
  1) pgi/19.4(default)      2) openmpi/pgi/19.4/4.0
[mod3 (modulerc)]$ mpirun
mpirun (openmpi/4.0, pgi/19.4)
[mod3 (modulerc)]$ module switch pgi intel/2019
[mod3 (modulerc)]$ module list
Currently Loaded Modulefiles:
  1) intel/2019             2) openmpi/pgi/19.4/4.0
[mod3 (modulerc)]$ mpirun
mpirun (openmpi/4.0, pgi/19.4)
