NTFS Explained - What is a Sparse File?

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Video Timeline:
0:35 What’s a Sparse File?
1:47 How does NTFS use it? (Demo)
7:35 Example of a sparse file: $UsnJrnl (Demo)
11:35 Reading/Writing sparse files
12:55 Space problems because of Sparse files (Demo)
14:24 Can malware use Sparse files? (Demo)

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This video is fantastic. It is well organized, easy to understand, with many visual examples.

raskine
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A detailed and well organized explanation. Thank you

AbdulAhmady
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Very good and easy to understand explanation 🙏

kg
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OK, but WHY sparse files? Why are they even a thing in the first place?

NostraDavid