Steven Cayford writes: > (a) the odds are good they'll run in sequence instead of parallel Not necessarily. Pipes have buffers, so even a blocking write() will not necessarily block while waiting for the corresponding process to read() from the pipe. -- David Phillips <david at acz.org> http://david.acz.org/ _______________________________________________ TCLUG Mailing List - Minneapolis/St. Paul, Minnesota http://www.mn-linux.org tclug-list at mn-linux.org https://mailman.real-time.com/mailman/listinfo/tclug-list