Mercurial > repo
view wisdom/block device @ 11238:c3e03ef4ec7a
<boily> slwd atm//s/steal/duplicate/
author | HackBot |
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date | Mon, 06 Nov 2017 12:22:31 +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.