Sorry if this is so obvious as to not merit mentioning, but I just grep'd for /tmp/.*$$ in /bin/ and /usr/bin and found a number of lines which appeared to be people making up tmp files with /tmp/appname.$$ as the name. Maybe my redhat 5.1 box wasn't a great place to do that though -- anyone have a redhat 5.2 box (or debian-current, or whatever) that they can grep through their bin directories for this simple probably tmp race string? jim PS I'll provide my results if someone really want's em but I figure someone will a "full" install of some distro might be better off doing their own grep. Not to mention I have installed various rpms from rawhide, etc, and would have to have a couple false positives in the list. -- Linux has been deployed in mission critical, commercial environments with an excellent pool of public testimonials... Linux outperforms many other UNIXes ... Linux is on track to eventually own the x86 UNIX market... Linux is a short/medium-term threat ... against NT Server. Linux's future strength against NT server ... is fed by ... perceived Scaleability, Interopability, Availability, and Manageability (SIAM) over NT. Linux can win.... Microsoft Internal Memo, annotated at http://www.tuxedo.org/~esr/halloween.html