NOTE: Nexus Tools has been reported to have problems on Mac OS X 10.11 (El Capitan).
Nexus Tools is an installer for the Android debug/development command-line tools ADB (Android Device Bridge) and Fastboot for Mac OS X and Linux. The script does not need to be downloaded, simply copy and paste this command into the terminal and run it to install ADB/Fastboot:
bash <(curl -s https://raw.githubusercontent.com/corbindavenport/nexus-tools/master/install.sh)
bash <(curl -s https://raw.githubusercontent.com/corbindavenport/nexus-tools/master/uninstall.sh)
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