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Merge pull request #7847 from BenWiederhake/dev-shred-deterministic-random-passes-extension

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shred: document simplified (better?) number of random passes
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Daniel Hofstetter
2025-04-26 19:16:31 +02:00
committed by GitHub
parent 606c0c1f57 abb2acc3a2
commit ed3da5fd65
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docs/src/extensions.md
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@@ -97,3 +97,7 @@ Similar to the proc-ps implementation and unlike GNU/Coreutils, `uptime` provide
## `base32/base64/basenc`
Just like on macOS, `base32/base64/basenc` provides `-D` to decode data.
## `shred`
The number of random passes is deterministic in both GNU and uutils. However, uutils `shred` computes the number of random passes in a simplified way, specifically `max(3, x / 10)`, which is very close but not identical to the number of random passes that GNU would do. This also satisfies an expectation that reasonable users might have, namely that the number of random passes increases monotonically with the number of passes overall; GNU `shred` violates this assumption.