# aws cloud9 > Manage Cloud9 - a collection of tools to code, build, run, test, debug, and release software in the cloud. > More information: . - List all Cloud9 development environment identifiers: `aws cloud9 list-environments` - Create a Cloud9 development environment: `aws cloud9 create-environment-ec2 --name {{name}} --instance-type {{instance_type}}` - Display information about Cloud9 development environments: `aws cloud9 describe-environments --environment-ids {{environment_ids}}` - Add an environment member to a Cloud9 development environment: `aws cloud9 create-environment-membership --environment-id {{environment_id}} --user-arn {{user_arn}} --permissions {{permissions}}` - Display status information for a Cloud9 development environment: `aws cloud9 describe-environment-status --environment-id {{environment_id}}` - Delete a Cloud9 environment: `aws cloud9 delete-environment --environment-id {{environment_id}}` - Delete an environment member from a development environment: `aws cloud9 delete-environment-membership --environment-id {{environment_id}} --user-arn {{user_arn}}`