Advanced Bash-Scripting Guide
by Mendel Cooper
Publisher: Lulu.com 2008
Number of pages: 802
This tutorial assumes no previous knowledge of scripting or programming, but progresses rapidly toward an intermediate/advanced level of instruction . . . all the while sneaking in little nuggets of UNIX wisdom and lore. It serves as a textbook, a manual for self-study, and a reference and source of knowledge on shell scripting techniques. The exercises and heavily-commented examples invite active reader participation, under the premise that the only way to really learn scripting is to write scripts. This book is suitable for classroom use as a general introduction to programming concepts.
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by David A. Wheeler
The book provides a set of design and implementation guidelines for writing secure programs for Linux and Unix systems. This document includes specific guidance for a number of languages, including C, C++, Java, Perl, Python, and Ada95.
This book is a guide to Unix and Unix-like operating systems, such as GNU/Linux and *BSD. The book targets Unix or non-Unix users seeking background, Unix system users, and Unix system administrators (background and administrator instructions).
by Aurelio A. Heckert - Wikibooks
Awk has two faces: it is a utility for performing simple text-processing tasks, and it is a programming language for performing complex text-processing tasks. Awk is useful for simple, quick-and-dirty computational programming.
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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.