Command Prompt Output to a File

hi,
i am new to java, i would like to write a program which executes a command in command prompt, giving some result and want to read this command prompt output to a file like this:
1) first i need to exeucte "dir c:" command which will give the details fo that particular directory
2) the output displyed on the command prompt by executing the above command has to be read into a File.
help me with some code snippets to do this.
Thanks in advance.

could you please elaborate the explanation interms of
java code snippets?
rofl
Read this.
http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html?page=3

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