$ docker images
REPOSITORY  TAG    IMAGE ID   CREATED       VIRTUAL SIZE
ubuntu          trusty     8eaa4ff06b53   4 weeks ago   192.7 MB
ubuntu          14.04      8eaa4ff06b53   4 weeks ago   192.7 MB
ubuntu          14.04.1    8eaa4ff06b53   4 weeks ago   192.7 MB
ubuntu          latest     8eaa4ff06b53   4 weeks ago   192.7 MB
