Introduction to Unix
by F.G. Fiamingo, L. DeBula, L. Condron
Publisher: The Ohio State University 1998
Number of pages: 132
Table of contents: History of Unix; Unix Structure; Getting Started; System Resources and Printing; Shells; Special Unix Features; Text Processing; Other Useful Commands; Shell Programming; Editors; Unix Command Summary; A Short Unix Bibliography.
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by Steve Ambler, et al. - Wikibooks
This book is about the X Window System. Some users describe it as the Unix and Linux graphics drivers. X11 is the graphical environment for Unix or Unix-like systems, including *BSD and GNU/Linux; it provides access to screen, keyboard, and mouse.
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 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 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.