Mercurial > repo
view wisdom/block device @ 11999:64fb792e12e8 draft
<wib_jonas> `` perl -pi -e \'s/^(url\\(1hackeso\\) -) .*/$1 print URL for a file in the hackenv hg repository and web access of the repository/; print\' share/whatis
author | HackEso <hackeso@esolangs.org> |
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date | Mon, 04 Nov 2019 12:20:27 +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.