Just one more example: I tried something quick this morning under Solaris 2.3, and it does not produce core files from setuid programs. >From the man page: A process with an effective user ID different from the real user ID will not produce a core image. -- Dylan D Zehr UNIX Systems Admin. Dept. Telecommunications, Kansas State University, Manhattan KS 66506 vox 913.532.4505 fax 913.532.7114 email ddzehr@telecom.ksu.edu