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view wisdom/block device @ 11702:1383f43fd3e9 draft
<Taneb> learn Shannon forbade non mathematically minded people from reading his resarch papers. Taneb invented Shannon, his research papers, and Shannon\'s prohibition.
author | HackEso <hackeso@esolangs.org> |
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date | Tue, 29 Jan 2019 13:48:10 +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.