[mod4 (modulerc)]$ module purge
[mod4 (modulerc)]$ module load openmpi/3.1
Loading openmpi/3.1/gcc/8.2.0
  Loading requirement: gcc/8.2.0
[mod4 (modulerc)]$ module list
Currently Loaded Modulefiles:
 1) gcc/8.2.0   2) openmpi/3.1/gcc/8.2.0(default)
[mod4 (modulerc)]$ mpirun
mpirun (openmpi/3.1, gcc/8.2.0)
[mod4 (modulerc)]$ module purge
[mod4 (modulerc)]$ module load gcc/8.2.0
[mod4 (modulerc)]$ module load openmpi
[mod4 (modulerc)]$ module list
Currently Loaded Modulefiles:
 1) gcc/8.2.0   2) openmpi/gcc/8.2.0/3.1
[mod4 (modulerc)]$ mpirun
mpirun (openmpi/3.1, gcc/8.2.0)
