--- ## 🧹 What this command does ```bash docker container rm --force $(docker container ls --all --quiet) ``` This command **removes ALL containers on your system**, including: - running containers - stopped containers - exited containers - containers created but never started It does this **without asking for confirmation**. Use it carefully—this is a destructive cleanup command. --- ## ⚙️ How it works (step-by-step) ### 1️⃣ `docker container ls --all --quiet` This part lists every container _ID_: - `--all` → include stopped containers - `--quiet` → output **only IDs**, nothing else Example output: ``` 832f1c9a1d3e f28bce8c92aa b73a55f9e52d ``` ### 2️⃣ `$()` command substitution `$()` takes the output of one command and **inserts it** into another. So the final command becomes: ```bash docker container rm --force 832f1c9a1d3e f28bce8c92aa b73a55f9e52d ``` ### 3️⃣ `docker container rm --force` - `rm` = remove - `--force` = kill running containers first, then remove This ensures nothing blocks deletion. --- ## ✔ Works on: - Linux terminal - macOS terminal - Windows PowerShell PowerShell also supports `$()` substitution (unlike CMD). --- ## ⚠️ Warning This **does not remove images** or **volumes**. It only removes containers. If you want to clean more deeply, let me know — I can give you: - full cleanup (containers + images + volumes) - safe cleanup (only unused) - scripts for cron / Windows scheduled task - Docker Compose safe cleanup commands Just tell me what you want!