SHELL

docker save to file

docker save fedora | gzip > fedora.tar.gz

docker load and save

You will need to save the Docker image as a tar file:

docker save -o <path for generated tar file> <image name>
T
hen copy your image to a new system with regular file transfer tools such as cp, scp or rsync(preferred for big files). After that you will have to load the image into Docker:

docker load -i <path to image tar file>