[root@localhost ~]# docker images
REPOSITORY     TAG         IMAGE ID      CREATED       SIZE
clearlinux     latest       32685d114002    7 days ago     62.5MB
busybox       latest       6ad733544a63    7 days ago     1.13MB
alpine       latest       053cde6e8953    7 days ago     3.96MB
[root@localhost ~]# docker run -itd --name b1 busybox:latest
4bb440e12b85d888f1a8363fe7a3dda977db6d5ed30264f22a31233f61fbf391
[root@localhost ~]# docker ps -a
CONTAINER ID    IMAGE        COMMAND       CREATED       STATUS       PORTS        NAMES
4bb440e12b85    busybox:latest   "sh"        12 seconds ago   Up 11 seconds              b1
[root@localhost ~]# docker commit 4b box
sha256:32d6db8775382ca96a97109bc16bbdedb53b241b7ebeb29498ae7b3672f4f53d
[root@localhost ~]# docker images
REPOSITORY     TAG         IMAGE ID      CREATED       SIZE
box         latest       32d6db877538    6 seconds ago    1.13MB
clearlinux     latest       32685d114002    7 days ago     62.5MB
busybox       latest       6ad733544a63    7 days ago     1.13MB
alpine       latest       053cde6e8953    7 days ago     3.96MB
[root@localhost ~]# docker rmi box
Untagged: box:latest
Deleted: sha256:32d6db8775382ca96a97109bc16bbdedb53b241b7ebeb29498ae7b3672f4f53d
[root@localhost ~]# docker images
REPOSITORY     TAG         IMAGE ID      CREATED       SIZE
clearlinux     latest       32685d114002    7 days ago     62.5MB
busybox       latest       6ad733544a63    7 days ago     1.13MB
alpine       latest       053cde6e8953    7 days ago     3.96MB
[root@localhost ~]# docker ps -a
CONTAINER ID    IMAGE        COMMAND       CREATED       STATUS       PORTS        NAMES
4bb440e12b85    busybox:latest   "sh"        2 minutes ago    Up 2 minutes              b1
[root@localhost ~]# docker attach 32
Error: No such container: 32
[root@localhost ~]# docker attach 4b
/ # ls
bin  dev  etc  home proc root sys  tmp  usr  var
/ # mkdir test
/ # ls
bin  dev  etc  home proc root sys  test tmp  usr  var
/ # read escape sequence
[root@localhost ~]# docker commit 4b box
sha256:00b0b91713e6df2e4047ba0ba0eb14968caa6aaeb647f7069dfcb6b35ca4890a
[root@localhost ~]# docker images
REPOSITORY     TAG         IMAGE ID      CREATED       SIZE
box         latest       00b0b91713e6    5 seconds ago    1.13MB
clearlinux     latest       32685d114002    7 days ago     62.5MB
busybox       latest       6ad733544a63    7 days ago     1.13MB
alpine       latest       053cde6e8953    7 days ago     3.96MB
[root@localhost ~]# docker save 00 >box.tar
[root@localhost ~]# ll box.tar
-rw-r--r--. 1 root root 1352192 Nov 11 09:28 box.tar
[root@localhost ~]# docker images
REPOSITORY     TAG         IMAGE ID      CREATED       SIZE
box         latest       00b0b91713e6    3 minutes ago    1.13MB
clearlinux     latest       32685d114002    7 days ago     62.5MB
busybox       latest       6ad733544a63    7 days ago     1.13MB
alpine       latest       053cde6e8953    7 days ago     3.96MB
[root@localhost ~]# docker ps
CONTAINER ID    IMAGE        COMMAND       CREATED       STATUS       PORTS        NAMES
4bb440e12b85    busybox:latest   "sh"        7 minutes ago    Up 7 minutes              b1
[root@localhost ~]# docker rm -f 4b
4b
[root@localhost ~]# docker ps
CONTAINER ID    IMAGE        COMMAND       CREATED       STATUS       PORTS        NAMES
[root@localhost ~]# docker rmi 00
Untagged: box:latest
Deleted: sha256:00b0b91713e6df2e4047ba0ba0eb14968caa6aaeb647f7069dfcb6b35ca4890a
Deleted: sha256:0c496176e68f1db885dbb101c947e63c3733e611563336574144028325e408de
[root@localhost ~]# docker images
REPOSITORY     TAG         IMAGE ID      CREATED       SIZE
clearlinux     latest       32685d114002    7 days ago     62.5MB
busybox       latest       6ad733544a63    7 days ago     1.13MB
alpine       latest       053cde6e8953    7 days ago     3.96MB
[root@localhost ~]# docker load <box.tar
2c3500bcac65: Loading layer [==================================================>] 3.072kB/3.072kB
Loaded image ID: sha256:00b0b91713e6df2e4047ba0ba0eb14968caa6aaeb647f7069dfcb6b35ca4890a
[root@localhost ~]# docker load <box.tar
Loaded image ID: sha256:00b0b91713e6df2e4047ba0ba0eb14968caa6aaeb647f7069dfcb6b35ca4890a
[root@localhost ~]# docker images
REPOSITORY     TAG         IMAGE ID      CREATED       SIZE
<none>       <none>       00b0b91713e6    5 minutes ago    1.13MB
clearlinux     latest       32685d114002    7 days ago     62.5MB
busybox       latest       6ad733544a63    7 days ago     1.13MB
alpine       latest       053cde6e8953    7 days ago     3.96MB
[root@localhost ~]# docker run -itd --name new 00b
588024b91339f00fe4e3e1dc9e2a1cc8c4bcefd1fbb63eb9561620aef2fe2ad5
[root@localhost ~]# docker ps -a
CONTAINER ID    IMAGE        COMMAND       CREATED       STATUS       PORTS        NAMES
588024b91339    00b         "sh"        15 seconds ago   Up 14 seconds              new
[root@localhost ~]# docker attach 58
/ # ls
bin  dev  etc  home proc root sys  test tmp  usr  var
/ # read escape sequence