when you don't free memory allocated allocated from the heap on a linux system, the memory is recovered after the application ends. are there any operating systems where the memory is only recovered after a reboot? pete -- GPG Instructions: http://www.dirac.org/linux/gpg GPG Fingerprint: B9F1 6CF3 47C4 7CD8 D33E 70A9 A3B9 1945 67EA 951D