the ar command. Link the object code with GPC, including the C-functions in the form of a library. MPI is linked in by specifying " -l ", " -L ", " -R ", and " -I " options. You can read our Parallel Programming FAQ to make yourself familiar with the usage of the native C compiler on the Sun systems. You will also need to follow up some of the links in that file to make yourself familiar with usage of MPI.