Which command is used to remove an existing container?

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The command used to remove an existing container is "docker rm." This command allows users to delete one or more stopped containers from their system. When executing this command, it's important to specify the container ID or name of the container that you want to remove. If you attempt to remove a running container, the command will fail unless the container is stopped first.

Other options present commands that either don't exist in how Docker operates or relate to different functionalities. For instance, "docker delete" and "docker remove" are not valid Docker commands, which is why they cannot be used to accomplish the task of removing a container. Meanwhile, "docker stop" is designed to stop a running container but does not remove it; thus, executing this command alone will not delete the container. Understanding these commands is essential for effective Docker container management.

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