| CreateCommand() | Finds and instantiates the subcommand using the arguments from the Environment.GetCommandLineArgs() method, using the first argument for the command name. If that fails, writes error and usage information. |
| CreateCommand(ReadOnlyMemory<String>) | Finds and instantiates the subcommand with the name from the first argument, or if that fails, writes error and usage information. |
| CreateCommand(String[]) | Finds and instantiates the subcommand with the name from the first argument, or if that fails, writes error and usage information. |
| CreateCommand(String, ReadOnlyMemory<String>) | Finds and instantiates the subcommand with the specified name, or if that fails, writes error and usage information. |
| CreateCommand(String, String[]) | Finds and instantiates the subcommand with the specified name, or if that fails, writes error and usage information. |