Learn how to unleash your inner Unix geek! Updated Feb 2, 2016 If you've ever thought you should learn to use the Unix command line that underlies Mac OS X, or felt at sea when typing commands into Terminal, Joe Kissell is here to help! With this 167-page ebook, you'll become comfortable working on the Mac's command line, starting with the fundamentals and adding more advanced topics as your knowledge increases. Joe includes 50 real-life "recipes" for tasks that are best done from the command line, as well as directions for working with permissions, carrying out grep-based searches, creating shell scripts, and installing Unix software. "I found answers to many questions in your book, and I enjoyed reading it. I am definitely more confident now in facing the Mac command line. Thank you for the time and art that you spent to create such a clarifying text." --Mona Hosseini, grad student in Genomic Medicine and Statistics at the University of Oxford The book begins by teaching you these core concepts: The differences between Unix, a command line, a shell, and Terminal Exactly how commands, arguments, and flags work The basics of Terminal's interface and how to customize it Next, it's on to the command line, where you'll learn: How to navigate your Mac's file system Basic file management: creating, copying, moving, renaming, opening, viewing, and deleting files Creating symbolic links The types of command-line programs How to start and stop a command-line program How to edit a text file in nano What a profile is, why it's cool, and how to customize yours The importance of your PATH and how to change it, if you need to How to get help (Joe goes way beyond telling you to read the man pages) You'll extend your skills as you discover how to: Create basic shell scripts to automate repetitive tasks. Make shell scripts that have variables, user input, conditional statements, loops, and math. See which programs are running and what system resources they're consuming. Quit programs that refuse to quit normally. Enable the command line to interact with the Finder. Control another Mac via its command line with ssh. Understand and change an item's permissions, owner, and group. Run commands as the root user using sudo. Handle output with pipe ( ) or redirect (>). Use grep to search for text patterns in files and filter output. Install new command-line software from scratch or with a package manager. Questions answered include: Which shell am I using, and how c...