Calendaring with calOne of the handiest Unix utilities is cal, whichlogicallyis a calendar. Find out what today's date is, what day of the week December 31 is, or what the calendar year looks like. As Code Listing 15.1 shows, all you have to do is type cal and any specific options you want. To Use The cal Utility:
Tips
Code Listing 15.1. Just type cal to see the current month's calendar, or check out other calendar options with flags.
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