Mercurial > repo
view wisdom/block device @ 12353:9e69a48ed481 draft
<wib_jonas> `` perl -pi -e \'s/xrange/range/\' /hackenv/bin/password
author | HackEso <hackeso@esolangs.org> |
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date | Wed, 04 Nov 2020 14:38:13 +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.