Mercurial > repo
view wisdom/block device @ 11240:634fd0064603
<shachaf> sled bin/edit//s/http/https/g
author | HackBot |
---|---|
date | Wed, 08 Nov 2017 23:19:18 +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.