<ul data-eligibleForWebStory="false"><li>When you run 'docker run ubuntu', Docker checks for the Ubuntu image locally and pulls it from Docker Hub if not found.</li><li>Docker creates a new container instance from the Ubuntu image and runs the default command, which is usually 'CMD ["bash"]'.</li><li>Without the '-it' flag, the container may exit immediately as it lacks an interactive shell or process to keep it running.</li><li>Using 'docker run -it ubuntu' provides an interactive terminal session inside the container, allowing you to interact with it.</li></ul>

What happens when you run `docker run ubuntu`

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