GNU Bash Reference Manual
by Chet Ramey, Brian Fox
Publisher: Network Theory Ltd. 2006
Number of pages: 204
This text is a brief description of the features that are present in the Bash shell. GNU Bash is a complete implementation of the POSIX.2 shell specification (/bin/sh), with additional features from the C-shell (csh) and Korn shell (ksh). Most Bourne shell scripts can be run by Bash without modification.
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by Brian "Beej Jorgensen" Hall
This document discusses several methods of Interprocess Communication, some of which are better suited to certain tasks than others. If you know C or C++ and are pretty good using a Unix environment, these documents are for you.
by Carey Bunks - Sams
This book is not about tips and tricks, and it's not a collection of image manipulation problems. It is about understanding image manipulation concepts, about knowing which GIMP tools are most effective, and about the savvy use of these tools.
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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.
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).