Previous ed.: 1999.
"A desktop quick reference covers GNU/Linux, Mac OS X, and Solaris"--Cover.
Introduction
Unix commands
The Unix shell: an overview
The Bash and Korn shells
tcsh: an extended C shell
Package management
Pattern matching
The Emacs editor
The vi, ex, and vim editors
The sed editor
The awk programming language
Source code management: an overview
The revision control system
The concurrent versions system
The subversion version control system
The GNU make utility
The GDB debugger
Writing manual pages.
UNIX in a nutshell by Arnold Robbins. ISBN 0596100299. Published by O'Reilly in 2006. Publication and catalogue information, links to buy online and reader comments.