a that does not connect to any cloud services. You manage authority keys and configuration yourself. Choose standalone if you'd like to run step-ca yourself and do not want cloud services or commercial support. **linked** : An instance of step-ca with locally managed keys that connects to your Certificate Manager account for provisioner management, alerting, reporting, revocation, and other managed services. Choose linked if you'd like cloud services and support, but need to control your authority's signing keys. **hosted** : A highly available, fully-managed instance of step-ca run by smallstep just for you. Choose hosted if you'd like cloud services and support. : More information and pricing at: https://u.step.sm/cm**step fileserver** command starts an HTTP(S) server that serves the contents of a file system. If the server is running using certificates, sending the HUP signal will reload the certificates. This command is experimental and only intended for test purposes. ## POSITIONAL ARGUMENTS