On Tue, 2013-06-04 at 16:32 +0000, Mahmoud Hammouri wrote: > mpirun -np 8 pw.x cnt.inp mpirun -np 8 pw.x < cnt.inp OR mpirun -np 8 pw.x -in cnt.inp P. -- Paolo Giannozzi, Dept. Chemistry&Physics&Environment, Univ. Udine, via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222