How do I undo the command $ eval "$(docker-machine env blog)"

How do I undo the command $ eval "$(docker-machine env blog)"

bash docker docker-machine

bash

Docker run script in host on docker-compose up

bash docker docker-compose dockerfile docker-machine

bash

eval "$(docker-machine env default)"

bash docker docker-compose docker-machine

bash

How to check if docker machine exists programmatically?

bash docker docker-machine

bash