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moby--moby/docs/reference/commandline/save.md
Vincent Demeester f4cfc6b983
Updates on cli reference documentation
- Update ps with `--last` flag
- Update commands with current output
- Make sure hugo does not detect the wrong language
- Update usage for `tag` command to be more coherent with the other ones

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2016-07-07 20:43:18 +02:00

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<!--[metadata]>
+++
title = "save"
description = "The save command description and usage"
keywords = ["tarred, repository, backup"]
[menu.main]
parent = "smn_cli"
+++
<![end-metadata]-->
# save
```markdown
Usage: docker save [OPTIONS] IMAGE [IMAGE...]
Save one or more images to a tar archive (streamed to STDOUT by default)
Options:
--help Print usage
-o, --output string Write to a file, instead of STDOUT
```
Produces a tarred repository to the standard output stream.
Contains all parent layers, and all tags + versions, or specified `repo:tag`, for
each argument provided.
It is used to create a backup that can then be used with `docker load`
$ docker save busybox > busybox.tar
$ ls -sh busybox.tar
2.7M busybox.tar
$ docker save --output busybox.tar busybox
$ ls -sh busybox.tar
2.7M busybox.tar
$ docker save -o fedora-all.tar fedora
$ docker save -o fedora-latest.tar fedora:latest
It is even useful to cherry-pick particular tags of an image repository
$ docker save -o ubuntu.tar ubuntu:lucid ubuntu:saucy