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What is the largest file transfer you have ever done?
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this post was submitted on 18 Aug 2024
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Why would dd have a limit on the amount of data it can copy, afaik dd doesn't check not does anything fancy, if it can copy one bit it can copy infinite.
Even if it did any sort of validation, if it can do anything larger than RAM it needs to be able to do it in chunks.
Not looking at the man page, but I expect you can limit it if you want and the parser for the parameter knows about these names. If it were me it'd be one parser for byte size values and it'd work for chunk size and limit and sync interval and whatever else dd does.
Also probably limited by the size of the number tracking. I think dd reports the number of bytes copied at the end even in unlimited mode.