Effective AWK Programming
by Arnold D. Robbins
Number of pages: 314
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. The focus is on the practical side of creating and running awk scripts, and there's plenty of hands-on advice for installing and running today's awk (and gawk).
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by Dale Dougherty, Tim O'Reilly - Hayden Books
The book shows how to use UNIX to prepare written documents. An introduction to the ex, vi, and sed editors and troff and nroff text processing tools. At the end, these tools are brought together by the make utility to do any text processing job.
by Mendel Cooper - Lulu.com
This text progresses rapidly toward an advanced level of instruction, it is a textbook, self-study manual, reference and source of knowledge on UNIX shell scripting. The exercises and examples invite reader participation. Suitable for classroom use.
by David A. Curry - Addison-Wesley
The first up-to-date source to provide the UNIX system user or administrator with the information needed to protect data and system from unauthorized use. By following the procedures described, you can protect your UNIX system from most attackers.
by Jim Tyson, et al. - Wikibooks
Unix is an operating system designed for use on any kind of computer or computing device. It is a multi-tasking, multi-user system. Unix is also part of the underlying technology of the Internet. Many of the web servers run Apache under Unix.