1/8/2023 0 Comments Filesys fastcopy![]() If you duplicate a document, it simply creates a new chunk of metadata and points it at the same file. ![]() That’s what the Mac has always done.ĪDFS is a bit cleverer. If you want to copy the document, you’d take a copy of the file and then create a new chunk of metadata so you can find it again. If you want to move a document from one folder to another, for example, instead of moving the whole file you can get the effect just by moving the metadata. But the file and the metadata somewhat independent. Normally, for every file there’s one chunk of metadata. And there’s the metadata, stuff like where it is in the file system, when it was created and its name. That is, your presentation or your report or your spreadsheet. ![]() Actually, super-quick.įiles are made up of two bits. In English, the words copying and duplicating roughly mean the same thing. It doesn’t say “copying” is says “ duplicating.” It’s easy to see where the confusion comes from. Designed to make common tasks like duplicating a file and finding the size of a folder’s contents happen instantly. The longer version relies on the slightly hidden caveat: “unless you can avoid doing that.” Unless you can avoid doing that, you’re, at best, going to be a few percent faster. In short: most of the time spent copy files is the physical copying of bits from one place to another. I’ve seen people claiming that macOS High Sierra and its new file system, APFS, makes copying files lightning fast.
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