Now I understood why we are using FreeBSD as an OS for our product Every smile matters see this http://people.freebsd.org/~murray/bsd_flier.html Most Impressive line about BSD I read "BSD is what you get when a bunch of Unix hackers sit down to try to port a Unix system to the PC. Linux is what you get when a bunch of PC hackers sit down and try to write a Unix system for the PC." More reading FreeBSD vs. Linux vs. Windows 2000 http://people. freebsd .org/~ murray/bsd_flier.html http://www.over-yonder.net/~ fullermd/rants/bsd4linux/ bsd4linux2.php