How do I open a shell inside a running container?

Use docker exec -it sh to attach an interactive shell to a running container. If the image ships bash, you can use bash instead of sh.

How do I free up disk space used by Docker?

docker system prune removes stopped containers, unused networks and dangling images. Add -a to also remove all unused images, which frees the most space.

Is anything I search or copy uploaded?

No. The entire cheatsheet and search run in your browser, so nothing you type or copy is sent anywhere.

Docker Commands Cheatsheet

Docker commands cheatsheet — searchable reference

The everyday Docker commands, grouped so you can find them fast: images, container lifecycle, inspect & debug, volumes & networks, Compose and cleanup. Each command has a short plain-English description and a one-click copy button.

Search by command name or by what you want to do — “run”, “logs”, “compose”, “prune” — and copy the exact command into your terminal. Everything runs in your browser; nothing is uploaded.