Linux Distributions

How Linux Works, 2nd Edition

By Brian Ward

Advanced Linux Programming

By CodeSourcery LLC, Mitchell, Mark, Samuel, Alex, Oldham, Jeffrey

Red Hat Linux Networking and System Administration

By Terry Collings, Kurt Wall

Hacking Exposed Linux

By Brian Hatch, James Lee, George Kurtz

Linux: Configuration and Installation

By Patrick Volkerding, Kevin Reichard, Eric Foster-Johnson

Sams Teach Yourself Linux Programming in 24 Hours

By Gay, Warren

Linux Command Line and Shell Scripting Bible

By Richard Blum, Christine Bresnahan

Minimal Perl: For UNIX / Linux People

By Tim Maher

Linux Command Line and Shell Scripting Bible

By Richard Blum, Christine Bresnahan

Practical Raspberry Pi

By Brendan Horan

Hacking Exposed Linux

By ISECOM

Using Linux the Easy Way

By Noel Kantaris, Phil Oliver

CompTIA Linux+ Powered by Linux Professional Institute Study Guide: Exam LX0-103 and Exam LX0-104

By Christine Bresnahan, Richard Blum

Comptia Linux+ Complete Study Guide Authorized Courseware, 2nd Edition (Lx0-101 and Lx0-102)

By Roderick W. Smith