Ubuntu Linux Toolbox: 1000+ Commands for Power Users (2013)
Chapter 1: Starting with Ubuntu Linux
Chapter 2: Installing Ubuntu and Adding Software
Chapter 6: Playing with Multimedia
Chapter 7: Administering Filesystems
Chapter 8: Backups and Removable Media
Chapter 9: Checking and Managing Running Processes
Chapter 10: Managing the System
Chapter 11: Managing Network Connections
Chapter 12: Accessing Network Resources
Chapter 13: Doing Remote System Administration
Chapter 14: Locking Down Security
Chapter 15: Setting Up a Virtualization Host and Virtual Machines
Appendix A: Using vi or Vim Editors
Appendix B: Shell Special Characters and Variables
Appendix C: Getting Information from /proc