Linux

The autobiography of Benjamin Franklin

introduction by Lewis Leary.

The Cathedral and the Bazaar: Musings on Linux and Open Source by an Accidental Revolutionary (O'Reilly Linux)

Eric S. Raymond

The Linux Programming Interface: A Linux and Unix System Programming Handbook

by Michael Kerrisk

Linux: the complete reference

Richard Petersen.

Linux in a Nutshell

Arnold Robbins, Jessica Perry Hekman, Stephen Spainhour, Stephen Figgins, Ellen Siever, Robert Love, Aaron Weber

Linux bible

Christopher Negus

Running Linux

Matthias Kalle Dalheimer and Matt Welsh.

LPI Linux Certification in a Nutshell (In a Nutshell (O'Reilly))

Steven Pritchard, Adam Haeder, Jeffrey Dean, Jeff Dean, Nicolai Langfeldt, Bruno Pessanha, James Stanger

Security in Computing (4th Edition)

Shari Lawrence Pfleeger, Charles P. Pfleeger, Charles P. Pfleeger, Jonathan Margulies

Linux device drivers: Where the Kernel Meets the Hardware

Alessandro Rubini, Jonathan Corbet, Greg Kroah-Hartman