How to Install Tree on macOS
tree prints the contents of a directory as an indented, ASCII-art hierarchy. It is one of the fastest ways to understand or document a project layout, and it ships as a small Homebrew package. This tutorial installs tree on macOS, walks through the flags you reach for most often, and wraps them in a reproducible demo project whose output is checked against committed golden files. Prerequisites macOS with a Terminal (the built-in Terminal.app or iTerm2) Homebrew (installed in Step 1 if you do not have it) make (pre-installed with the Xcode Command Line Tools on macOS) No programming language or runtime required The commands were validated with tree v2.3.2 and Homebrew 6.0.10 on macOS. ...