command: docker image save
short: Save one or more images to a tar archive (streamed to STDOUT by default)
long: |
  Produces a tarred repository to the standard output stream. Contains all
  parent layers, and all tags + versions, or specified repo:tag.

  Stream to a file instead of STDOUT by using **-o**.

  # EXAMPLES

  Save all fedora repository images to a fedora-all.tar and save the latest
  fedora image to a fedora-latest.tar:

      $ docker image save fedora > fedora-all.tar
      $ docker image save --output=fedora-latest.tar fedora:latest
      $ ls -sh fedora-all.tar
      721M fedora-all.tar
      $ ls -sh fedora-latest.tar
      367M fedora-latest.tar

  # See also
  **docker-image-load(1)** to load an image from a tar archive on STDIN.
usage: docker image save [OPTIONS] IMAGE [IMAGE...]
pname: docker image
plink: docker_image.yaml
options:
- option: output
  shorthand: o
  description: Write to a file, instead of STDOUT