Solve : los extension?

1.	Solve : los extension?
Answer» Hello, I have some questions about los EXTENSION. What is it? Why do we save file in this extension? How can we create it? Thankshttp://www.file-extensions.org/los-file-extension Never worked with this file extension before, but this is what I FOUND on GOOGLE that LOOKS like a Map File for CLOSE Combat 2.

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