Saving and retrieving data from NSMutablearray

I have a NSMutableArray holding string data.

I want to save my data. When i turn off the application and relaunch the application my saved data need to be presented.

And I ne开发者_如何学Ced to know where the file saved.

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This question is basically the same as yours: Saving a NSArray

Another option is to save it in NSUserDefaults.