The next command removes all containers, which is docker remove $(docker ps -a -q). As you can see, there are two commands: docker remove (or stop) and docker ps -a -q .

Remove the container with the command: docker rm ID. ... And that’s all there is to pulling down and using the Rocky Linux Docker container image.

And they are nothing like the linux docker containers. They are a different beast. It’s actually poison for their ecosystem, as it dilutes the “you can run this docker container anywhere where ...