Mercurial > repo
view wisdom/block device @ 11966:3f1a4ab429fd draft
<b_jonas> `` sed -i \'1s"$" https://github.com/KrzysztofSzewczyk/esologs/"\' wisdom/log
author | HackEso <hackeso@esolangs.org> |
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date | Sat, 12 Oct 2019 10:44:21 +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.