Beginning the Linux Command Line, Second edition (2015)
CHAPTER 1. Starting Linux Command-Line Administration
CHAPTER 2. Performing Essential Command-Line tasks
CHAPTER 3. Administering the Linux File System
CHAPTER 4. Working with Text Files
CHAPTER 5. Managing Partitions and Logical Volumes
CHAPTER 6. Managing Users and Groups
CHAPTER 7. Managing Permissions
CHAPTER 9. Process and System Management
CHAPTER 11. Configuring the Network
CHAPTER 12. Configuring a File Server
CHAPTER 13. Working with the Kernel
CHAPTER 14. Introduction to Bash Shell Scripting