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Comment by realPubkey | Hacker News Reader

#stop and delete all containers

docker rm -f $(docker ps -a -q)

#delete all images

docker rmi -f $(docker images -q)

This is NOT equivalent. The OP was talking about removing unused images. Your commands remove all images.

Maybe this?

    docker rm $(docker ps -qa --no-trunc --filter "status=exited")
    docker rmi $(docker images --filter "dangling=true" -q --no-trunc)

fwiw, there's a new syntax for this, that is a bit more verbose, but probably worth adopting:

docker container rm $(docker container ls -qa)

docker image rm $(docker image ls -q)