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view wisdom/block device @ 11304:ab489b19b975
<int-e> ` echo \'#! /bin/bash\' > bin/morse-decode; echo \'args_or_input | /hackenv/lib/morse-decode\' >> bin/morse-decode # for sanity
author | HackBot |
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date | Fri, 05 Jan 2018 00:55:01 +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.