[mod3 (modulepath)]$ module purge
[mod3 (modulepath)]$ module load pgi/19.4
[mod3 (modulepath)]$ module load openmpi
[mod3 (modulepath)]$ module list
Currently Loaded Modulefiles:
  1) pgi/19.4      2) openmpi/4.0
[mod3 (modulepath)]$ mpirun
mpirun (openmpi/4.0, pgi/19.4)
[mod3 (modulepath)]$ module switch pgi intel/2019
[mod3 (modulepath)]$ module list
Currently Loaded Modulefiles:
  1) intel/2019
  2) $MOD_GIT_ROOTDIR/doc/example/compiler-etc-dependencies/modulepath/Compiler/pgi/19.4/openmpi/4.0
[mod3 (modulepath)]$ mpirun
mpirun (openmpi/4.0, pgi/19.4)
