Installing Xcode Command Line Tools

It is also useful for you to install Xcode Command Line Tools on your Mac. The Command Line Tools Package is a self-contained package from the Xcode installation. It allows you to do command-line development in macOS. You must download it separately from your Apple Developer Account.

Point your web browser to https://developer.apple.com/download/more/. Enter Command Line Tools in the search box. A list of Command Line Tools downloads will be shown:

Choose the latest Command Line Tools download for your macOS version. For example, you should download Command Line Tools (macOS 10.13) for Xcode 10.1 if you're using macOS High Sierra (version 10.13).