Niall Mansfield graduated from Trinity College, Dublin with an MA in physics and maths. He has been working in a UNIX environment since 1987 and founded the European X window system User Group. In 1992 he founded UIT who specialize in UNIX tools, e-mail systems and Internet security. He is still very involved with training and consultancy, running tailored networking courses, designing and installing Ethernet and wireless networks and providing Internet security and firewall systems....See more