Proving the date of origin of anything electronic – for patent or copyright purposes, perhaps – has been well nigh impossible. But that has now changed.
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Do folders have timestamps to keep track of the last modification and original time of creation? Are these updated when metadata are modified, and how does journalling fit in with this?
Time is central information for many functions on your Mac. This article explains the Network Time Protocol, and how it keeps time in OS X.
The Eclectic Light Company 