''Absolute OpenBSD: Unix for the Practical Paranoid'' is a comprehensive guide to the

OpenBSD OpenBSD is a security-focused, free and open-source, Unix-like operating system based on the Berkeley Software Distribution (BSD). Theo de Raadt created OpenBSD in 1995 by forking NetBSD 1.0. According to the website, the OpenBSD project em ...

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. Time-sharing operating systems schedule tasks for efficient use of the system and may also in ...

by Michael W. Lucas, author of ''Absolute FreeBSD'' and ''Cisco Routers for the Desperate''. The book assumes basic knowledge of the design, commands, and user permissions of

Unix-like A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification. A Unix-li ...

operating systems. The book contains troubleshooting tips, background information on the system and its commands, and examples to assist with learning.

1st edition

The first edition was released in June 2003. Some of the information in the book became outdated when OpenBSD 3.4 was released only a few months later.

2nd edition

The second edition was released in April 2013. Peter N. M. Hansteen, author of ''The Book of PF'', was the technical reviewer.

External links

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References

{{Reflist OpenBSD 2003 non-fiction books No Starch Press books Books about free software Books on operating systems