A good implementation of real (and good!) kernel level seperation of users/processes/etc.. is Pitbull LX by argus-systems.
http://www.argus-systems.com/product/overview/lx/2.shtml "PitBull LX's unique Secure Application Environment (SAE) protects against security flaws in application software by isolating applications in separate security compartments. Exploited software bugs, which in the past could grant an attacker system-wide access, are now relegated to a single security compartment" --------------------------------------------- Joep Gommers T +31 (0) 765 780 905 Linux Engineer F +31 (0) 765 780 909 GOODFELLAS ONLINE E [EMAIL PROTECTED] PGP Encryption should be used at al times. "In god we trust, all others we monitor" ---------------------------------------------