Stan Sieler ([log in to unmask]) wrote: : My guess: system() is checking that the process is "clean" for possible : use of fork() ... which requires (I think) that the process not have : any resources that wouldn't be forkable: outstanding switches to CM, : IMAGE databases, and (probably) some CM managed files (CM KSAM, ^^^^^^^^^^^^^^^ : or RIO files). I was kind of shocked to see IMAGE databases on this list. Could you explain why? Mike "I don't feel like walking the three aisles to find out" P. =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Mike Paivinen [log in to unmask] Hewlett-Packard CSY - Mailstop 47UP 19447 Pruneridge Avenue Cupertino, CA 95014