The Wolfram Language kernel is a text-based interface that allows you to evaluate Wolfram Language commands. It has a number of uses, including debugging installations. The following example contains instructions for Mathematica.

Windows

  1. Navigate to Mathematica’s installation directory. By default, this is in:

    C:\Program Files\Wolfram Research\Mathematica

  2. Open the folder for the desired version.
  3. Double-click the WolframKernel executable to start the Mathematica kernel.

Mac

  1. Open Finder and navigate to the Applications folder. Right-click or Control-click Mathematica in Applications and select Show Package Contents.
  2. A new window will open. Navigate to Contents ► MacOS.
  3. Double-click the WolframKernel icon to start the Mathematica kernel.

Linux

Open a terminal and execute the following command:

wolfram

This will run the Mathematica kernel.