如何在iphone应用程序开发中再次启动应用程序时，如何将数据存储到文本文件中并检索它？

At first of all i want to say that i am newer as an iPhone application developer.So please help me. Now, My problem is, I want to make a text file in my iPhone app.If I explain it then I will say that...At first of all i want to say that i am newer a