[mod4-flavours]$ module purge
[mod4-flavours]$ module load pgi/19.4
[mod4-flavours]$ module load openmpi
[mod4-flavours]$ module list
Currently Loaded Modulefiles:
 1) pgi/19.4   2) openmpi/4.0
[mod4-flavours]$ mpirun
mpirun (openmpi/4.0, pgi/19.4)
[mod4-flavours]$ module switch pgi intel/2019
WRAPPER:: command not found
WRAPPER:: command not found
WRAPPER:: command not found
WRAPPER:: command not found
[mod4-flavours]$ module list
Currently Loaded Modulefiles:
 1) openmpi/4.0   2) intel/2019
[mod4-flavours]$ mpirun
mpirun (openmpi/4.0, pgi/19.4)
