Dr. Tim Parker has been writing about computers and programming for more than 20 years. In that time he's written over 2,500 feature articles and 60 books. He's served as columnist, Editor, and Technical Editor for a dozen magazines focusing on UNIX, Linux, and Windows. Dr. Parker has taught hundreds of classes in computer security, UNIX, and networking for Fortune 500 companies and the U.S. Navy. He currently resides in Ottawa, Canada with his dog and a network of far too many...