Sure, we would all like to have gigabytes of scratch on each machine for large files, but we must live with what we have - which is usually less than optimum. So, excuse the bandwidth overload, but if it is a choice between running a job using NFS or not doing the research, I opt for the former. Doug Douglas A. Smith Assistant Professor of Chemistry The University of Toledo Toledo, OH 43606-3390 voice 419-537-2116 fax 419-537-4033 email dsmith "at@at" uoft02.utoledo.edu