`--filter` option can scope your commands. When used, the commands only includes entries that match the pattern you specify. `docker COMMAND --filter "key=value"` To show objects that are older than 30 days, use: `--filter "until=720h` ### See also 1. [[How to delete Docker data older than 30 days?]] ### Reference 1. [Filter commands on Docker Website](https://docs.docker.com/engine/cli/filter/)