RHEL Linux - Red Hat System Administration Practice Exam

The ______ command shows an overview of the current time-related system settings, including current time, time zone, and NTP synchronization settings of the system

1. date

2. who

3. cal

4. timedatectl

The correct answer is: timedatectl

The command that provides an overview of the current time-related system settings, including current time, time zone, and NTP synchronization settings, is `timedatectl`. This utility is specifically designed for managing and querying system time and date settings in RHEL and other Linux distributions that use `systemd`. When you execute `timedatectl`, it displays comprehensive information regarding the system's clock, the time zone configuration, and any active NTP (Network Time Protocol) synchronization settings. This is particularly useful for system administrators who need to ensure that their servers are maintaining the correct time, which is crucial for time-sensitive operations, logging, and network services. The other commands have different functionalities: - The `date` command shows the current date and time but does not provide details on time zones and NTP settings. - The `who` command displays information about users who are currently logged in, without any relevant time settings. - The `cal` command presents a calendar but does not relate to time management or system settings. In the context of system administration, having a command like `timedatectl` that aggregates all of this information into one interface is highly beneficial.