# gcloud auth > Grant and revoke authorization to `gcloud` and manage credentials. > See also: `gcloud`. > More information: . - Authorize Google Cloud access for the `gcloud` CLI with Google Cloud user credentials and set the current account as active: `gcloud auth login` - Authorize Google Cloud access similar to `gcloud auth login` but with service account credentials: `gcloud auth activate-service-account` - Manage Application Default Credentials (ADC) for Cloud Client Libraries: `gcloud auth application-default` - Display a list of Google Cloud accounts currently authenticated on your system: `gcloud auth list` - Display the current account's access token: `gcloud auth print-access-token` - Remove access credentials for an account: `gcloud auth revoke`