docker container stop vs docker container kill - to understand the difference, one has to know the underlying Linux signals issued under each command. Stop issues a SIGTERM signal which is a graceful termination of a process where Kill issues a SIGKILL signal which is a forceful termination regardless of what the process intends to do with the signal.
docker images "*referencekeyword*" - shortcut to filter on image list without using ls along with the --filter switch.
docker container ls --all --filter "status=exited" - list of stopped containers. Below is the list of possible statuses: