Where is

[danielbatson]

Hi... When some file deleted and using file recovery software It recovers..Can anybody explain from where it comes?

[Gambit]

Try google searching:

This should help out.
http://www.americanchronicle.com/articles/view/95192

[Mad]

OMG, people these days are so lazy....sigh....

I would suggest you to a Google search before you post.
Tons of information can be found....

[haapy]

Here, let me Google that for you:

http://lmgtfy.com/?q=file+recovery