About the Authors
Daniel J. Barrett, Ph.D., has been immersed in Internet technology since 1985.
Currently a software engineer and vice president at a well-known financial services
company, Dan has also been a heavy metal singer, Unix system administrator,
university lecturer, web designer, and humorist.
Dan has written several other O’Reilly books, including NetResearch: Finding
Information Online and Bandits on the Information Superhighway, as well as
monthly columns for Compute! and Keyboard Magazine. He and his family reside
in Boston.
You may write to Dan at dbarrett@oreilly.com.
Richard E. Silverman first touched a computer as a college junior in 1986, when he
logged into a DEC-20, typed “MM” to send some mail, and was promptly lost to
the world. He eventually resurfaced and discovered he had a career, which was
convenient but somewhat disorienting, since he hadn’t really been looking for
one. Since earning his B.A. in computer science and M.A. in pure mathematics,
Richard has worked in the fields of networking, formal methods in software devel-
opment, public-key infrastructure, routing security, and Unix systems
administration. Outside of work, he loves to read, study languages and mathe-
matics, sing, dance, and exercise.
You may reach Richard at res@oreilly.com.
Colophon
Our look is the result of reader comments, our own experimentation, and feed-
back from distribution channels. Distinctive covers complement our distinctive
approach to technical topics, breathing personality and life into potentially dry
subjects.
The animal on the cover of SSH, the Secure Shell: The Definitive Guide is a land
snail (Mollusca gastropoda).
A member of the mollusk family, a snail has a soft, moist body that is protected by
a hard shell, into which it can retreat when in danger or when in arid or bright
conditions. Snails prefer wet weather and, though not nocturnal, will stay out of
bright sun. At the front of a snail’s long body are two sets of tentacles: its eyes are
at the end of one set, and the other set is used for smelling and navigation.
,AUTHOR.COLO.16090 Page 1 Tuesday, March 13, 2001 3:33 PM
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