On Wed, 1 Sep 2004, Marv wrote: > How can I verify after the fact, what produced the output. Builtin or > /bin/echo? Marv, I do believe that the shell's built-in commands take precedence. If you want to use the separate executable, specify the full path. Rich -- Dr. Richard B. Shepard, President Applied Ecosystem Services, Inc. (TM) <http://www.appl-ecosys.com>