Hallow, I am a control systems engineer inb a gas and oil company. Part of my duties is System Administrator of a SunSoloris system. I would like to know more/everything about UNIX-based sytems. What is the benefits/advantages of LINUX towards UNIX Can I implememnt free UNIX-based O-system in my PC. Regards Hafedh Ghodbani Control and Instrument Engineer British Gas Tunisia