Recently I found that the "i" flag had been set on /bin/ps. I removed it with chattr -i. Now the flag has reappeared! Is there any way this could conceivably happen innocently following routine upgrades via aptitude? Do I have to do a complete reinstall? AC -- ac@acampbell.org.uk || http://www.acampbell.org.uk using Linux GNU/Debian || for book reviews, electronic Windows-free zone || books and skeptical articles