DockerTag命令用于为Docker镜像打标签，可以帮助用户更加方便地管理和调用Docker镜像。DockerTag命令的使用方法如下：
1.查看当前镜像的标签
docker tag --list [镜像名称]
2.添加标签
docker tag [镜像名称] [标签名称]
3.删除标签
docker tag --delete [镜像名称] [标签名称]
4.替换标签
docker tag --replace [镜像名称] [新标签名称] [旧标签名称]
5.添加多个标签
docker tag [镜像名称] [标签1] [标签2] [标签3] ……
6.删除多个标签
docker tag --delete [镜像名称] [标签1] [标签2] [标签3] ……
7.替换多个标签
docker tag --replace [镜像名称] [新标签1] [新标签2] [新标签3] [旧标签1] [旧标签2] [旧标签3] ……
以上就是DockerTag命令的使用方法，可以帮助用户更加方便地管理和调用Docker镜像。