The system command-line interface is intended for use by advanced users who are confident at using a CLI.
Nearly all of the flexibility that is offered by the CLI is available through the management GUI. However, the CLI does not provide the fix procedures that are available in the management GUI. Therefore, use the fix procedures in the management GUI to resolve the problems. Use the CLI when you require a configuration setting that is unavailable in the management GUI.
You might also find it useful to create command scripts that use CLI commands to monitor certain conditions or to automate configuration changes that you make regularly.