github.com/olljanat/moby@v1.13.1/docs/reference/commandline/system_prune.md (about)

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