books by subject
UNIX & Linux
Boot Disk Management: A Guide for the Solaris Operating Environment (Sun Blueprints)
Configuration and Capacity Planning for Solaris Servers
Sun Performance and Tuning SPARC and Solaris
Real-Time Systems: An Introduction
Linux in a Nutshell
MCITP Windows Vista Support Technician All-in-One Exam Guide (Exam 70-620, 70-622, & 70-623)
Using Unix System IV and V
Learning PHP 5
Beginning Unix
Unix Power Tools 3e
Learning the Korn Shell
Managing Projects with Make 2e (Nutshell S.)
Sed & Awk
UNIX for Dummies
UNIX for Dummies Quick Reference
Unix Unleashed
Puppet 5 Beginner's Guide - Third Edition
Shell Scripting Tutorial
Puppet 5 Cookbook
The Kornshell: User & Programming Manual
Mastering Microsoft Windows, Novell NetWare and UNIX
UNIX in a Nutshell: A Desktop Quick Reference for System V Release 4 and Solaris 7
LDAP System Administration
Learning the bash Shell
Amazon Fargate Quick Start Guide: Learn how to use AWS Fargate to run containers with ease
Practical UNIX Security
HP-UX Tuning and Performance: Concepts, Tools, and Methods
Unix Bible
High Performance Computing