books by subject
UNIX & Linux
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)
Lex & Yacc 2e
High Performance Computing
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
UNIX Operating System
SuSE Linux Unleashed
Red Hat® Linux® 7.1 Secrets
RTF Pocket Guide
Tricks of the Unix Masters
Unix Shell Programming
Solaris Systems Administrator's Guide
HP-UX 11.x System Administration "How To" Book
Puppet 5 Cookbook