What does the 'docker ps' command display?

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The 'docker ps' command is specifically designed to show information about currently running containers on a Docker host. When executed, it typically provides details such as the container ID, image used, command being run, creation time, status, ports exposed, and the names of the containers. This command is fundamental for managing containerized applications because it allows users to quickly see which containers are active and their associated metadata.

Other choices involve different aspects of Docker's functionality. Information about Docker networks is related to how containers communicate with each other and the outside world, while Docker images refer to the packaged application and its dependencies needed to create a container. Docker volumes pertain to data persistence across container lifecycles and are not displayed by the 'docker ps' command. Thus, the command's focus exclusively on running containers makes it an essential tool for anyone working with Docker in a practical environment.

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