CELEBRATE EARTH WEEK
Save 70% on video training and simulators now through April 27*—use code EARTH. Shop now.
PAUL SHEER owns Paul Sheer Consulting Services, a firm specializing in Linux consulting, programming, and training; Web database integration; cryptography; embedded systems; and related technologies. The electronic version of his LINUX: Rute Users Tutorial and Exposition has become one of the Web's most popular resources for mastering Linux administration. Sheer is based in Cape Town, South Africa.