Guide to Unix
Publisher: Wikibooks 2010
This book is a guide to Unix and Unix-like operating systems, such as GNU/Linux and *BSD. Other systems like Mac OS X, Solaris, and OSF/Tru64 also belong in the list. The book targets multiple audiences: Unix or non-Unix users seeking background, Unix system users (background and user instructions), and Unix system administrators (background and administrator instructions).
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by Arnold D. Robbins
This tutorial covers the entire spectrum of awk script development: From the basics of opening, searching, and transforming text files, to a comprehensive tutorial for regular expressions, to more advanced features like internetworking.
vi is a powerful editor that is ubiquitous amongst Unix and Unix-like operating systems, but is available on many other operating systems. Even if you use another editor you must have a passing knowledge of vi as an administrator.
by Joe Cooper - No Starch Press
A comprehensive guide to the Webmin system administration tool, documenting its features while explaining each of the core services. With numerous real-world examples, the book covers the standard system features and the most popular services.
by Greg Lehey - O'Reilly
The book deals with the whole life cycle of porting, from setting up a source tree on your system to correcting platform differences. It discusses the differences between versions of UNIX and the areas where porters tend to have problems.