Linux

Wonderful starter for any one who wants to understand ground up what Linux is..
Good book for beginner to intermediate level.
This is must have book for kernel developer. Very well explained in simple word.
This is the best book in my opinion for learning about the kernel!
Good and simple explanation of linux kernel.
Good place to start if you want to understand how linux kernel works and start working on it.

A must have book for all linux kernel programmers for understanding the system level programming.
It's not a reference book. It's a well written book about how the Linux kernel works.
Outstanding book that is one of a kind.
Well written, but not overly wordy, this one is at my fingertips at all times.
It is really a great book to get started with the Linux kernel.

This book is great for those who never compiled a kernel before. It is also great for those looking for a source of reference. Must read, no doubt.
I recommend it for anyone involved with the linux kernel, from superusers to kernel hackers, to students.
This book is amazing!
The book is clear, authoritative, and wonderfully focused on getting you started. All the information you need without wandering off-point.
This book is a *must have* kernel reference for all who would configure, build or hack the Linux Kernel v2.6.x.
I recommend "Linux Kernel in a Nutshell" to every Linux user with wishes to learn a bit more how it's Linux system works.

Linux Device Drivers, 3rd Edition by Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman

Great book. It takes the most interesting stuff about Linux device drivers.
Well written. Comprehensive. A must for those that plan on writing device drivers for Linux.
Just love it. Every device driver writer should read it.
good book to refresh fundamentals
Very comprehensive approach to Linux drivers
This is good textbook for Linux. This book provides the most useful information for us.

Very nice book. Covered all topics need for a system programmer.
Very nice and awesome book for linux lovers. Content with detailed explanations.
Greatest ever linux reference.
This books talk every aspect of Linux programming.
Must have book to have for every serious Linux systems programmer ....
Awesome book

This book covers a lot of ground with an approachable narrative style.
This book is a very nice reference, with insights to the kernel-level implementation of many of the various system calls.
This is well balanced book which explains linux system itself and gives some code snippets.
Good read with examples.
This is a very good book for someone who is new to linux kernel.

Linux Kernel, Device Drivers & Systems Programming

Linux Kernel Development Robert Love

Understanding the Linux Kerne Daniel P. Bovet, Marco Cesati Ph.D.

Professional Linux Kernel Architecture Wolfgang Mauerer

Linux Device Drivers Jonathan Corbet, Alessandro Rubini, Greg Kroah-Hartman

Essential Linux Device Drivers Sreekrishnan Venkateswaran

Advanced Programming in the UNIX Environment W. Richard Stevens, Stephen A. Rag

Unix Network Programming, Vol1: Sockets W. Richard Stevens, Bill Fenner, Andrew M. Rudoff

Unix Network Programming, Vol2: IPCs by W. Richard

The Linux Programming Interface Michael Kerrisk

Systems Programming Srimanta Pal

Linux: The Complete Reference by Richard Petersen

A Practical Guide to Linux Commands, Editors, and Shell Programming by Mark G Sobell

Classic Shell Scripting: Hidden Commands that Unlock the Power of Unix by Arnold Robbins

Linux in a nutshell by Ellen Siever

Introduction to Linux – A Hands on Guide by Machtelt Garrels

Shell Programming: Bash Scripting from First Steps to Confident User by Sean Johnson

Shell Programming and Bash Scripting: Ultimate Beginners Guide Book by Robert Collins

The Linux Command Line: A Complete Introduction by William E Shotts Jr

Linux Command Line and Shell Scripting Bible by Richard Blum and Christine Bresnahan

Linux Command Line: FAST and EASY!: Linux Commands, Bash Scripting Tricks by Matthew Gimson