[root@Optimus centos7]#  docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
csphere/centos      7.1                 fd1f7619e63e        17 minutes ago      613 MB
centos              centos7.1.1503      879c6d07c60e        5 weeks ago         212.1 MB
[root@Optimus centos7]#