cal(1)
Name
cal − print calendar
Syntax
cal [month] year
Description
The cal command prints a calendar for the specified year. If a month is also specified, a calendar just for that month is printed. The year can be between 1 and 9999. The month is a number between 1 and 12. The following example produces a calendar for October 1988.
cal 10 1988
Restrictions
The year is always considered to start in January.