books by subject
Computer Operating Systems
C# Language Pocket Reference
Disc Operating System Instant Reference
The Kornshell: User & Programming Manual
Windows Forms Programming in C# (MICROSOFT NET DEVELOPMENT SERIES)
Advanced Guide to Windows XP
Teach Yourself Windows 98
Advanced Linux Programming
MCSE Training Guide (70-210): Installing, Configuring, and Administering Windows 2000 Professional
MCSE Training Guide (70-215): Installing, Configuring, and Administering Windows 2000 Server
MCSE Training Guide (70-216): Installing and Administering Windows 2000 Network Infrastructure
MCSE Training Guide (70-217): Installing and Administering a Windows 2000 Directory Services Infrastructure
Microsoft® Windows® SharePoint® Services 3.0 Step by Step
MCSA/MCSE: Windows 2000 Server Study Guide: Exam 70-215
Microsoft Windows SharePoint Services Inside Out
Brilliant Windows 8
Brilliant Windows XP
Professional NT Services
Free for All
How Linux Works, 2nd Edition
Arduino in Easy Steps
Mastering Excel for Windows
RHCSA & RHCE Red Hat Enterprise Linux 7: Training and Exam Preparation Guide (EX200 and EX300), Third Edition
Getting Started with Terraform -
Shell Scripting Tutorial
Unix Programming Environment
Excel 97 for Windows for Dummies Quick Reference
Advanced API Security: Securing APIs with OAuth 2.0, OpenID Connect, JWS, and JWE
HTML Visual Quick Reference
A Practical Course on Operating Systems