Linux Succinctly by Jason Cannon will teach you the basics of interacting with Linux, such as viewing and editing files and directories through the command line, and how to modify permissions. More advanced topics covered include I/O streams, sorting and comparing files and directories, and installing additional software.
Free Linux Books
“Linux Kernel Crash Book”, by Igor Ljubuncic, starts with crash tools via collection all the way to analysis, plus some extras and general tips. Linux kernel crash analysis is not an everyday topic. It is very likely a niche topic, which will interest only system administrators and professionals dabbling in the kernel.
This “CentOS 6 Essentials” online book is designed to provide detailed information on the use and administration of the CentOS 6 Linux distribution. The CentOS Linux distribution is a remarkable case study of the unique power of open source software. In CentOS 6 we have an enterprise level operating system that is developed and maintained at great expense that we can download and deploy without having to pay any money.
“The Debian Administrator’s Handbook”, written by two Debian developers — Raphaël Hertzog and Roland Mas, this book teaches the essentials to anyone who wants to become an effective and independent Debian GNU/Linux administrator.
“The Linux Command Line” by William E. Shotts, Jr. is available in pdf format for free. This book is for new Linux users who have migrated from other platforms. Most likely you are a “power user” of some version of Microsoft Windows.
“User Mode Linux”, written by Jeff Dike, is a free eBook from Bruce Perens’ Open Source Series. User Mode Linux (UML) is a virtual Linux machine that runs on Linux. Technically, UML is a port of Linux to Linux.
“Ubuntu – An Absolute Beginner’s Guide” is the latest free eBook from MakeUseOf. Download this 32 page Ubuntu guide in pdf format. This guide was written for beginners and will tell you everything you need to know about the Ubuntu experience.
Free eBook “Linux Patch Management: Keeping Linux Systems Up To Date” by Michael Jang from Bruce Perens’ Open Source Series series. The first start-to-finish guide to patching Linux systems in production environments. For Red Hat, Fedora, SUSE, Debian, and other leading distributions.
Free eBook “GNU/Linux Basic” from Free Technology Academy. The aim of this book is to initiate you into the world of GNU/Linux. It covers the basics of the free software, how to use and modify GNU/Linux to suit your needs, and how to find your way in this new world more easily.
Free online book “Ubuntu 10.10 Essentials” by Techotopia. The purpose of this book is to provide an overview of the essential knowledge required to use and maintain an Ubuntu 10.10 system.