books by subject
UNIX & Linux

UNIX Networks: An Overview for System Administrators

UNIX PowerTools

Delphi/Kylix Database Development

Introduction to ANSI C. on Unix

Applying RCS and SCCS: From Source Control to Project Control (Nutshell Handbook)

Halting the Hacker: A Practical Guide to Computer Security (Hewlett-Packard Professional Books)

Advanced Programming in the UNIX Environment (Addison-Wesley Professional Computing Series)

UNIX Power Tools

lex & yacc

sed and awk Pocket Reference: Text Processing with Regular Expressions (Pocket Reference (O'Reilly))

Oracle Solaris 10 System Virtualization Essentials (Oracle Solaris System Administration) (Oracle Solaris System Administration Series)

Sams Teach Yourself UNIX in 24 Hours (Sams Teach Yourself in 24 Hours)

Solaris 8 System Administrator Exam Cram 2 (Exam CX-310-011 and CX-310-012)

Mastering Unix Shell Scripting

UNIX Shell Programmer's Interactive Workbook (Unix Interactive Workbook Series)

Mastering Make: A Guide to Building Programs on DOS and Unix Systems

Advanced Programming in the UNIX Environment (Addison-Wesley Professional Computing Series)

Conducting the UNIX Job Interview: IT Manager Guide with UNIX Interview Questions (It Job Interview Series)

Configuration and Capacity Planning for Solaris Servers

Learning Unix for Mac OS X

Learning Unix for Mac OS X

Learning the Unix Operating System 4e (In a Nutshell)

Learning GNU Emacs

FreeRADIUS Beginner's Guide

Sams Teach Yourself Perl 5 for Windows NT in 21 Days

SCJP Sun Certified Programmer for Java 5 Study Guide (Exam 310-055) (Certification Press)

Termcap & Terminfo

Advanced UNIX Programming

Managing UUCP and Usenet (In a Nutshell)
