Mercurial > repo
view wisdom/block device @ 9001:00450dccde8f
<\oren\> ` xxd -r -p <<<"FF F8 F4 08 00 E5 16 7F FF 80 00 7F FF 03 C0 47 5A" >gunzip -
author | HackBot |
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date | Thu, 01 Sep 2016 15:38:36 +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.