Harley Hahn has a degree in mathematics and computer science from the University of Waterloo, Canada, and a graduate degree in computer science from the University of California at San Diego. Before becoming a professional writer and the author of more than two dozen books, Harley studied medicine at the University of Toronto. When Harley is not writing, he reads a lot, paints, plays the piano and gives advice to anyone who will listen.Harley Hahn is the author of 'Harley Hahn's Guide to Unix and Linux', published 2008 under ISBN 9780073133614 and ISBN 0073133612.
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