github.com/vieux/docker@v0.6.3-0.20161004191708-e097c2a938c7/docs/reference/commandline/system_prune.md (about)

     1  <!--[metadata]>
     2  +++
     3  title = "system prune"
     4  description = "Remove unused data"
     5  keywords = [system, prune, delete, remove]
     6  [menu.main]
     7  parent = "smn_cli"
     8  +++
     9  <![end-metadata]-->
    10  
    11  # system prune
    12  
    13  ```markdown
    14  Usage:	docker system prune COMMAND
    15  
    16  Delete unused data
    17  
    18  Options:
    19    -a, --all     Remove all unused images not just dangling ones
    20    -f, --force   Do not prompt for confirmation
    21        --help    Print usage
    22  ```
    23  
    24  Remove all unused containers, volumes and images (both dangling and unreferenced).
    25  
    26  Example output:
    27  
    28  ```bash
    29  $ docker system prune -a
    30  WARNING! This will remove:
    31  	- all stopped containers
    32  	- all volumes not used by at least one container
    33  	- all images without at least one container associated to them
    34  Are you sure you want to continue? [y/N] y
    35  Deleted Containers:0998aa37185a1a7036b0e12cf1ac1b6442dcfa30a5c9650a42ed5010046f195b
    36  73958bfb884fa81fa4cc6baf61055667e940ea2357b4036acbbe25a60f442a4d
    37  
    38  Deleted Volumes:
    39  named-vol
    40  
    41  Deleted Images:
    42  untagged: my-curl:latest
    43  deleted: sha256:7d88582121f2a29031d92017754d62a0d1a215c97e8f0106c586546e7404447d
    44  deleted: sha256:dd14a93d83593d4024152f85d7c63f76aaa4e73e228377ba1d130ef5149f4d8b
    45  untagged: alpine:3.3
    46  deleted: sha256:695f3d04125db3266d4ab7bbb3c6b23aa4293923e762aa2562c54f49a28f009f
    47  untagged: alpine:latest
    48  deleted: sha256:ee4603260daafe1a8c2f3b78fd760922918ab2441cbb2853ed5c439e59c52f96
    49  deleted: sha256:9007f5987db353ec398a223bc5a135c5a9601798ba20a1abba537ea2f8ac765f
    50  deleted: sha256:71fa90c8f04769c9721459d5aa0936db640b92c8c91c9b589b54abd412d120ab
    51  deleted: sha256:bb1c3357b3c30ece26e6604aea7d2ec0ace4166ff34c3616701279c22444c0f3
    52  untagged: my-jq:latest
    53  deleted: sha256:6e66d724542af9bc4c4abf4a909791d7260b6d0110d8e220708b09e4ee1322e1
    54  deleted: sha256:07b3fa89d4b17009eb3988dfc592c7d30ab3ba52d2007832dffcf6d40e3eda7f
    55  deleted: sha256:3a88a5c81eb5c283e72db2dbc6d65cbfd8e80b6c89bb6e714cfaaa0eed99c548
    56  
    57  Total reclaimed space: 13.5 MB
    58  ```
    59  
    60  ## Related information
    61  
    62  * [volume create](volume_create.md)
    63  * [volume ls](volume_ls.md)
    64  * [volume inspect](volume_inspect.md)
    65  * [volume rm](volume_rm.md)
    66  * [Understand Data Volumes](../../tutorials/dockervolumes.md)
    67  * [system df](system_df.md)
    68  * [container prune](container_prune.md)
    69  * [image prune](container_prune.md)
    70  * [system prune](system_prune.md)