Guide to UNIX Using Linux (4th Edition)
Solutions and explanations
The Essence of UNIX and Linux
Exploring the UNIX/Linux File Systems and File Security
Mastering Editors
UNIX/Linux File Processing
Advanced File Processing
Introduction to Shell Script Programming
Advanced Shell Programming
Exploring the UNIX/Linux Utilities
Perl and CGI Programming
Developing UNIX/Linux Applications in C and C++
The X Window System