Elastix Unified Communications Server Cookbook
Gerardo Barajas Puente
The Implacable Hunter
Gerald Kersh
Two for Texas
James Lee Burke
Trigger Warnings
Jeff Sparrow
Hackers & Painters: Big Ideas From the Computer Age
Paul Graham
Linux and the Unix Philosophy
Mike Gancarz
Sed and Awk Pocket Reference
Arnold Robbins
Unix System Administration Handbook, Third Edition
Evi Nemeth & Garth Snyder & Trent R. Hein
The UNIX Philosophy
A Quarter Century of UNIX
Peter H. Salus
Lions' Commentary on Unix
John Lions