ANSI C for Programmers on UNIX Systems
by Tim Love
This document aims to introduce C by providing and explaining examples of common programming tasks, and to enable the reader to learn from available source code by clarifying common causes of incomprehension. The first part of the document is an informal introduction to C.
Home page url
Download or read it online for free here:
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 Eric S. Raymond - Addison-Wesley Professional
The first part of the book is philosophy and history of UNIX, the second part unfolds the Unix principles into more specific advice about design, the third part focuses on tools for solving problems, and the fourth part is about community.
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.
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.