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by was_hellbanned
4291 days ago
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Funnily, modern file systems (extfs3/4, NFTS, HPFS+?) all support extended attributes in some form or another. However, they are currently only rarely used: Mostly for the "this file was downloaded from the internet, do you really want to open it" flag. For anyone interested in these, they're called Alternate Data Streams in Windows. When you download a file from the Internet, an ADS is created, called "Zone:Identifier", which contains a ZoneID indicating where it came from. I believe Windows 2000's Explorer allowed the user to add arbitrary tags to any file, and that those were stored in an ADS. For some reason, that was removed in, I think, Windows Vista. At least one virus stored itself using Alternate Data Streams, which I imagine is related to why they've been more or less downplayed. |
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