Linux systems can provide more help with your schedule than just reminding you what day today is. You have a lot of options for displaying calendars — some that are likely to prove helpful and others that just might boggle your mind.
date
To begin, you probably know that you can show the current date with the date command.
cal and ncal
You can show the entire month with the cal command. With no arguments, cal displays the current month and, by default, highlights the current day by reversing the foreground and background colors.
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