Secure Programming for Linux and Unix HOWTO
by David A. Wheeler
This book provides a set of design and implementation guidelines for writing secure programs for Linux and Unix systems. Such programs include application programs used as viewers of remote data, web applications (including CGI scripts), network servers, and setuid/setgid programs. This document includes specific guidance for a number of languages, including C, C++, Java, Perl, Python, and Ada95.
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by Tim Love
This document introduces C by providing and explaining examples of common programming tasks. It enables the reader to learn from available source code by clarifying common causes of incomprehension. Exercises form an integral part of the course.
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.
by Dave Marshall - Cardiff School of Computer Science
This book introduces the fundamentals of Motif programming and addresses wider issues concerning the X Window system. This is a practical introduction to writing Motif programs. The key principles are always supported by example programs.
by Frank G. Fiamingo - The Ohio State University
Systems administration is the installation and maintenance of the UNIX computer system. The system administrator will need to maintain the software and hardware for the system. This includes hardware configuration, software installation, etc.