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