Accepted Answer
Essentially, the term "runlevel" means "The machine is at a known level of configuration." The machine will operate from level 0 to 6 as it boots.Runlevel 0 is powered off and Runlevel 6 is rebooted. Use the Date option to enter a new date or time. The Adjust parameter can be used to define a change interval. Linux employs special characters or symbols called metacharacters that provide a shell command more significance in terms of file search and command connection. On Linux, the metacharacters are useful for listing, deleting, and copying files. The system date and time are shown with the date command. The date command can also be used to set the system's time and date.Learn more about command here-https://brainly.com/question/18955190#SPJ4