Run the following command 'Adb logcat -v threadtime >logcat.To test whether adb is working properly, connect your Android device to your computer using a USB cable and run following command 'adb devices' this will show the devices connected to the system.Connect the device to the system and trust/allow the system.Go to Developer options on phone and turn on USB debugging.You should see get the message saying you are now a developer. Phone>Settings>About Phone>Tap the 'Build Number' seven times.For beginners, the easiest way is to install Android Studio which includes all important SDK tools. Enable USB debugging on your Android phone: There are several ways to set up ADB and Fastboot.

This will open the command prompt with correct path from adb.Press shift and right click the mouse icon, select 'Open Command window here' or you can run the command prompt and enter the path of where the adb.exe file is located.Unzip the folder and ensure that the adb.exe file is there.

ADB-Install-Mac.sh (You can also Drag and drop the ADB-Install-Mac.

Download the SDK platform for your platform (windows /mac) from this link : Now Type in the following command cd Desktop/Android To install ADB and Fastboot type in the following command.

Install adb in mac