view wisdom/block device @ 9705:a8c7db5d48cc

<shachaf> mkx bin/re-s//F="$(lastfiles)"; mv "${F}" "${F}s"
author HackBot
date Thu, 17 Nov 2016 17:03:37 +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.