Install docker from official site, in windows.

or install docker from repo as official site told, in linux..

after installation, we run by: (windows service, linux daemon started)

docker run hello-world/centos/..

where the names can be found here.

most used args are -it, --rm, --read-only.., -p 80:80, --ip ..

docker ps -sa
# docker --help
# docker command --help

to view history docker machines.

For example, common download size of centos is 80MB, less than 0.1GB, light.

Docker: Usage instruction