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# diff
<!---MARKER_GEN_START-->
Inspect changes to files or directories on a container's filesystem
### Aliases
`docker container diff`, `docker diff`
<!---MARKER_GEN_END-->
## Description
List the changed files and directories in a container᾿s filesystem since the
container was created. Three different types of change are tracked:
| Symbol | Description |
|--------|---------------------------------|
| `A` | A file or directory was added |
| `D` | A file or directory was deleted |
| `C` | A file or directory was changed |
You can use the full or shortened container ID or the container name set using
`docker run --name` option.
## Examples
Inspect the changes to an `nginx` container:
```console
$ docker diff 1fdfd1f54c1b
C /dev
C /dev/console
C /dev/core
C /dev/stdout
C /dev/fd
C /dev/ptmx
C /dev/stderr
C /dev/stdin
C /run
A /run/nginx.pid
C /var/lib/nginx/tmp
A /var/lib/nginx/tmp/client_body
A /var/lib/nginx/tmp/fastcgi
A /var/lib/nginx/tmp/proxy
A /var/lib/nginx/tmp/scgi
A /var/lib/nginx/tmp/uwsgi
C /var/log/nginx
A /var/log/nginx/access.log
A /var/log/nginx/error.log
```
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