Mercurial > repo
view wisdom/block device @ 11946:7749e14b2064 draft
<b_jonas> `` sed -i \'s/%N/%3N/\' bin/dateu; dateu
author | HackEso <hackeso@esolangs.org> |
---|---|
date | Tue, 17 Sep 2019 22:32:18 +0000 |
parents | 272663b31668 |
children |
line wrap: on
line source
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.