Get help for client commands To get usage information, including a list of commands with descriptions, for a client, run the following command: $ CLIENT_NAME help For example, to get help information for the swift client, run the following command: $ swift help Usage: swift [--version] [--help] [--snet] [--verbose] [--debug] [--quiet] [--auth <auth_url>] [--auth-version <auth_version>] [--user <username>] [--key <api_key>] [--retries <num_retries>] [--os-username <auth-user-name>] [--os-password <auth-password>] [--os-tenant-id <auth-tenant-id>] [--os-tenant-name <auth-tenant-name>] [--os-auth-url <auth-url>] [--os-auth-token <auth-token>] [--os-storage-url <storage-url>] [--os-region-name <region-name>] [--os-service-type <service-type>] [--os-endpoint-type <endpoint-type>] [--os-cacert <ca-certificate>] [--insecure] [--no-ssl-compression] <subcommand> ... Command-line interface to the OpenStack Swift API. Positional arguments: <subcommand> delete Delete a container or objects within a container download Download objects from containers list Lists the containers for the account or the objects for a container post Updates meta information for the account, container, or object stat Displays information for the account, container, or object upload Uploads files or directories to the given container Examples: swift -A https://auth.api.rackspacecloud.com/v1.0 -U user -K api_key stat -v swift --os-auth-url https://api.example.com/v2.0 --os-tenant-name tenant \ --os-username user --os-password password list swift --os-auth-token 6ee5eb33efad4e45ab46806eac010566 \ --os-storage-url https://10.1.5.2:8080/v1/AUTH_ced809b6a4baea7aeab61a \ list swift list --lh Depending on your credentials, you might not have permission to use every command. After the command, you can enter a command name to get help for that command, as follows: $ CLIENT_NAME help COMMAND_NAME For example, to get help for the glance image-show command, enter the following command: $ glance help image-show The command returns a description of the command and its positional and optional arguments: usage: glance image-show [--human-readable] <IMAGE> Describe a specific image. Positional arguments: <IMAGE> Name or ID of image to describe. Optional arguments: --human-readable Print image size in a human-friendly format.