docker

[root@orochiplus ~]# docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
centos 6 e5f1f8b862c6 6 days ago 193.9 MB
centos 7 8534086a3cc1 9 weeks ago 199.7 MB
[root@orochiplus ~]# docker run centos:6 /bin/echo "hello world"
hello world
[root@orochiplus ~]# docker run centos:7 /bin/echo "hello world"
hello world

[root@orochiplus ~]# docker run --name fush -it centos:6 /bin/bash
[root@ae23b53e461f /]# ls
bin dev etc home lib lib64 lost+found media