Learning Unix For Os X by Dave Taylor

Going Deep with the Terminal and Shell

A concise, practical introduction to using the Unix command line on macOS, aimed at users familiar with the graphical interface who want to work more efficiently. It explains core concepts — the shell, file system hierarchy, file and directory operations, permissions, pipes and redirection, process and job control, remote access, basic text editing and searching, and simple shell scripting — using Mac-specific examples and step-by-step commands so readers can perform everyday tasks, troubleshoot problems, and automate workflows.

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