1-15Modifying command levelAll the commands in a view are defaulted to different levels, as shown in Table 1-3. The administratorcan modify the command level based on users’ needs to make users of a lower level use commandswith a higher level or improve device security.Follow these steps to modify the command level:To do… Use the command… RemarksEnter system view system-view —Configure the command level ina specified viewcommand-privilege levellevel view view commandRequiredRefer to Table 1-3 for thedefault settings.You are recommended to use the default command level or modify the command level under theguidance of professional staff; otherwise, the change of command level may bring inconvenience toyour maintenance and operation, or even potential security problem.Displaying and Maintaining Basic ConfigurationsTo do… Use the command… RemarksDisplay information on system version display versionDisplay information on the system clock display clockDisplay defined command aliases and thecorresponding commands display command-aliasDisplay information on terminal users display users [ all ]Display the valid configuration undercurrent view display this [ by-linenum ]Display clipboard information display clipboardDisplay and save statistics of eachmodule’s running status display diagnostic-informationAvailable inany viewDuring daily maintenance or when the system is operating abnormally, you need to view each module’srunning status to find the problem. Therefore, you are required to execute the corresponding displaycommands one by one. To collect more information one time, you can execute the displaydiagnostic-information command in any view to display or save statistics of each module’s runningstatus. The execution of the display diagnostic-information command has the same effect as that ofthe commands display clock, display version, display device, and display current-configuration.