# Docker command
## list all container
```
docker ps -a
```
## list all image
```
docker images
```
## Downaload docker-imager form official
Example: Ubuntu 18.04
```
docker pull ubuntu:18.04
```
## Run Docker image with tty mode
```
docker run --name u18 --interactive --tty ubuntu:18.04
```
* --name: set the name of container run
* --interactive --tty: tty/vm mode
* ubuntu:18.04: name of image (has been pulled)
## Remove Docker image
```
docker rmi ubuntu:18.04
```
## Remove Docker container
```
docker rm <container-name>
```
* To get \<container-name\>, use `docker ps -a` command