Makefiles: 
1) make.scc for the SCC
2) make.bgl for IBM Bluegene/L

To compile and link:
system prompt % make -f make.X where X is one of the above suffixes

To run program interactively:
scc1 % mpirun -np 4 example1_2
lee % cannot run interactively on the IBM Bluegene

To run program in batch:
scc1 % qsub batch_scc
lee % llsubmit batch_bgl