Which command can be used to view the system’s logged events on a Junos OS device?

The command used to view the system’s logged events on a Junos OS device is "show log messages." This command provides access to the system's logging facility, allowing you to display the contents of the log file that accumulates various system messages, including operational messages, errors, alerts, and notifications that have been recorded over time.

By utilizing "show log messages," you can gain insights into the health and status of the system, troubleshooting potential issues, and reviewing historical information that can be vital for system administration and maintenance. This command effectively aggregates events and activities associated with the device, thereby offering a comprehensive view of the system's operational state.

While other commands listed may have specific uses, they do not provide the same comprehensive view of the logged events as "show log messages". For instance, "show system events" might refer to specific events but is not standard syntax. "Show logging status" provides information about the logging status rather than the actual logged content. "Show syslog" pertains to network-based logging but is not utilized for examining internal logged events stored on the device.