How to Install Command Line Tools in Mac OS X (Without Xcode) Mac users who prefer to have a more traditional Unix toolkit accessible to them through the Terminal may wish to install the optional Command Line Tools subsection of the Xcode IDE. From MacOS Monterey, Big Sur, Catalina, Mojave, High Sierra, Sierra, OS X El Capitan, Yosemite, Mavericks onward, this is now easily possible directly and w