Introduction - If you have any usage issues, please Google them yourself
Using the vi editor to write a Shell program, named mycal1459, Implementation and Linux in the cal command a similar function, when the input: $ mycal [one month] years, the screen output of the shaping of the specified calendar. For example: $ mycal October 2009 the screen output in October 2009 of the calendar. Note: The parameters can be in English or is a number.