Mercurial > repo
view wisdom/block device @ 8789:92789c477bc3
<boily> learn LKoen vivait en haut de la Tout Eiffel, mais il s\'est pr\xc3\xa9fix\xc3\xa9 des L et s\'est envol\xc3\xa9.
author | HackBot |
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date | Mon, 11 Jul 2016 11:18:23 +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.