docker-machine/docs/reference/kill.md

kill

Usage: docker-machine kill [arg...]

Kill (abruptly force stop) a machine

Description:
   Argument(s) are one or more machine names.

For example:

$ docker-machine ls
NAME   ACTIVE   DRIVER       STATE     URL
dev    *        virtualbox   Running   tcp://192.168.99.104:2376
$ docker-machine kill dev
$ docker-machine ls
NAME   ACTIVE   DRIVER       STATE     URL
dev    *        virtualbox   Stopped