aws emr list-clusters
Provides the status of all clusters visible to this Amazon Web Services account. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--cluster-statesThe cluster state filters to apply when listing clusters.--created-afterThe creation date and time beginning value filter for listing clusters.--created-beforeThe creation date and time end value filter for listing clusters.--markerThe pagination token that indicates the next set of results to retrieve.