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view wisdom/block device @ 11233:d8c76125d045
<oerjan> forget fun fact
author | HackBot |
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date | Thu, 02 Nov 2017 15:33:44 +0000 |
parents | 272663b31668 |
children |
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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.