Chapter 1, Crash Course in Bash, covers the Linux shell/Bash to get you up and running, and the remainder of the book will just fall into place.
Chapter 2, Acting Like a Typewriter and File Explorer, introduces several bolt-on technologies to make Bash even more extensive when searching for items and text, or automating file explorer/filesystem operations.
Chapter 3, Understanding and Gaining File System Mastery, will help you view files from various angles: head, tail, less, searching for files by name and/or extension, creating a diff of two files, patching, creating symbolic links and using them effectively, crawling filesystem directories, printing a tree, and more.
Chapter 4, Making a Script Behave Like a Daemon ...
