Back in the day, one of the Quirks of the Macintosh OS was that files had two "forks", a "resource fork" which held resources used by software through dedicated resource APIs, and a "data fork", wh...

In the header stat.h on osx 10.7 I found a define in fileflag UF_TRACKED. I googled that define but didn't find anything about the flag. Can you describe to me what this flag means? I encountered i...