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view wisdom/block device @ 11706:eb7dbd1a2206 draft
<ais523> learn TIO is Try It Online!, <https://tio.run/>, a web-based interpreter for over 600 languages, including hundreds of esolangs
author | HackEso <hackeso@esolangs.org> |
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date | Sat, 02 Feb 2019 13:54:57 +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.