What are the common Docker commands beginners should know?

Answer 1

Docker provides several simple commands that help beginners create, manage, and run containers efficiently. In Croma Campus Docker Training, learners typically practice these essential commands:

docker --version – Checks the installed Docker version.

docker pull – Downloads an image from Docker Hub.

docker images – Lists available Docker images.

docker run – Creates and starts a container from an image.

docker ps – Shows currently running containers.

docker ps -a – Displays all containers, including stopped ones.

docker start – Starts an existing container.

docker stop – Stops a running container.

docker restart – Restarts a container.

docker rm – Removes a container.

docker rmi – Removes a Docker image.

docker exec -it bash – Opens a shell inside a running container.

Learning these commands helps beginners understand Docker fundamentals and manage containers confidently. Croma Campus focuses on practical command-line training for real-world DevOps environments.