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log wisdom/block device @ 12246:f3be034784d0 draft

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Fri, 17 Jun 2016 08:35:50 +0000 HackBot <b_jonas> slashlearn block device/Block devices are a concession made in Unix to make raw hard disks and magnetic tape have a similar interface to regular files and terminals. Since magnetic tapes can\'t write individual bytes, only entire blocks, the interface isn\'t exactly the same, thus the dreaded dd obs= option was born.
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