books by subject
Computer Operating Systems
Managing and Maintaining a Microsoft (R) Windows Server" 2003 Environment, Second Edition: MCSA/MCSE Self-Paced Training Kit (Exam 70-290)
MCDST: Microsoft Certified Desktop Support Technician Study Guide: Exams 70-271 and 70-272
Mastering Windows Server 2008 Networking Foundations
Fundamentals of Operating Systems
Operating Systems: A Systematic View
Operating Systems: Internals and Design Principles: United States Edition
Operating System Concepts
Windows PowerShell 2.0 Administrator's Pocket Consultant
Microsoft Windows Command-line Administrators Pocket Consultant
Active Directory Administrator's Pocket Consultant
MCITP Windows Vista Support Technician All-in-One Exam Guide (Exam 70-620, 70-622, & 70-623)
Linux in a Nutshell: A Desktop Quick Reference
Mastering Microsoft Windows Server 2008 R2
Mastering Microsoft Windows 7 Administration
Windows Admin Scripting Little Black Book
Supporting Users and Troubleshooting Desktop Applications on Microsoft (R) Windows (R) XP, Second Edition: MCDST Self-Paced Training Kit (Exam 70-272)
MCTS Windows 7 Configuration Study Guide: Exam 70-680
Windows Server 2008 Administrator's Pocket Consultant
Beginning Ubuntu Linux
Supporting Users and Troubleshooting a Microsoft (R) Windows (R) XP Operating System, Second Edition: MCDST Self-Paced Training Kit (Exam 70-271)
Windows Server 2008 R2 Unleashed
Using Unix System IV and V
Using 1-2-3 for Windows Special Edition
The Windows NT Device Driver Book: A Guide for Programmers
MCSE Windows 2000 Core Exams (70-210, 70-215, 70-216, 70-217): MCSE Training Guide (70-210, 70-215, 70-216, 70-217)
Beginning Unix
Mac OS X Lion Portable Genius
Laptops for Seniors in Easy Steps Windows 7 Edition: Edition - for the Over 50s
Mac Computing for the Over 50s In Simple Steps