Take script. Remove all the PROMPT commands. Add set echo on at the very beginning. This may: 1) Narrow down to pretty close where it blows up 2) Eliminate the problem if it has to do with the PROMPT output buffer. _____ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Jared Still Sent: Wednesday, November 10, 2010 7:53 PM To: ukja.dion@xxxxxxxxx Cc: Oracle L Subject: Re: SQL+ aborts and exists On Wed, Nov 10, 2010 at 4:43 PM, Dion Cho <ukja.dion@xxxxxxxxx> wrote: How about using tracing tool like strace (system call tracer) to find out which API call crashed sql*plus? Already asked - client is Windoze. Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist Oracle Blog: http://jkstill.blogspot.com Home Page: http://jaredstill.com