See the FAQs section here on UT. Ed Rauh uploaded a few days a ago a very complete class that deals with running external exes.

Vlad

>How do I run a DOS program without showing the MSDos screen; ex: RUN
>collect. This collect.EXE is a program to collect data from a Time Clock machine. Another weird thing is after I do RUN, collect.EXE seems to be corrupted after the command. Please help.
>
>Regards,
>Farouk Yew Abdullah