Leave command

The leave command can be used as a simple reminder. It accepts time in the hh-mm format, where is in hours and is in minutes, in the 12-hour format, whatever be the time given. It keeps displaying a message in the terminal from which the command was given. The reminder is given 5 minutes before the actual time, 1 minute before the time, at the time mentioned in the command and every minute after that, until the user logs out. It prompts users to fill in the time if no argument is given as part of the command. To remind you to leave at 5 pm, you have to give the following command: