cal

Display a calendar

SYNTAX
      cal [-mjy] [[month] year]

options:

     -m      Display monday as the first day of the week.

     -j      Display julian dates (days one-based, numbered from January 1).

     -y      Display a calendar for the current year.

    A single parameter specifies the 4 digit year (1 - 9999) to be displayed.

    Two parameters denote the Month (1 - 12) and Year (1 - 9999).

    If arguments are not specified, the current month is displayed.

    A year starts on 01 Jan.

"If everything seems under control, then you're not going fast enough" - Mario Andretti

Related Linux Bash commands:

dc - Desk Calculator
factor - Print prime factors
units - Convert units from one scale to another
wc - Print byte, word, and line counts

Equivalent Windows XP commands:

none, although the SET /A command does allow basic arithmetic.