Setting up package manager
Requirements
A Bourne-compatible shell for installation (e.g. bash or zsh)
Install HomeBrew package manager.
- Will help in installing most of the developer tools
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
More information at Brew Official Site
A new Mac comes pre-installed with ruby, thus the above command will execute.