Part of OS X is its powerful command-line interface, where a competent or even novice programmer can make use of a number of tools for configuring and customizing the system, and make programs. A free open-source package manager. This solution provides a simple way to install.

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Command Line Tools Mac Os X

Xcode Help Guide
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Install Command Line Tools Mac

Discussion Forums

Downloading Command Line Tools (mac Os Sierra Version 10.12) For Xcode

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Command Line Tools For Mac Os X