view wisdom/block device @ 9245:7cfaa8e4bede

<oerjan> mkx bin/hlnp//hg log "$@" | sed \'s/\\(<[^>]*\\)\\([^>]>\\)/\\1\\x0F\\2/g\'
author HackBot
date Thu, 13 Oct 2016 00:07:59 +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.