Guide to X11
by Steve Ambler, et al.
Publisher: Wikibooks 2010
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 most Unix or Unix-like systems, including *BSD and GNU/Linux; it provides access to screen, keyboard, and mouse.
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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.
by Dale Dougherty, Tim O'Reilly - Hayden Books
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.
by R. Russell, D. Quinlan, C. Yeoh - Filesystem Hierarchy Standard Group
The filesystem standard has been designed to be used by Unix distribution developers, package developers, and system implementors. However, it is primarily intended to be a reference on how to manage a Unix filesystem or directory hierarchy.
by Chet Ramey, Brian Fox - Network Theory Ltd.
A description of the features that are present in the Bash shell. GNU Bash is an implementation of the POSIX.2 specification, with additional features from the C-shell and Korn shell. Most Bourne shell scripts can be run by Bash without modification.