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view wisdom/block device @ 12158:8520d01f0340 draft

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<b_jonas> `` perl -i -ne \'s/^(!\\(1hackeso) /$1) /; print\' /hackenv/share/whatis
author HackEso <hackeso@esolangs.org>
date Mon, 18 Nov 2019 18:53:58 +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.