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view wisdom/block device @ 12126:da23f60cf8d3 draft
<fizzie> ` for d in + -; do sed -i -e \'s|tee karma|tee ${HACKENV-/hackenv}/karma|\' /hackenv/bin/karma$d; done
author | HackEso <hackeso@esolangs.org> |
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date | Sun, 17 Nov 2019 00:56:12 +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.