How can you display the current date and time from the command line?

To display the current date and time from the command line in Linux, the most appropriate command to use is the date command. This command is specifically designed for outputting the current date and time according to the system's clock and can also be customized to display date and time in various formats.

The date command, when run without any arguments, provides a simple and clear output of the present date and time. For instance, executing date in the terminal might yield output like "Wed Oct 6 14:53:22 UTC 2023," which gives not only the date but also the time and the time zone.

This command also allows users to modify the output display format based on their needs through various options, making it versatile for scripting and scheduling tasks. Since Linux does not have commands like "datetime," "time," or "display" for showing date and time, the date command is the correct and standard choice for this task.