Mercurial > repo
view wisdom/block device @ 11184:71dde00b9899
<mroman> slashlearn turing machine//A turing machine is a machine that turs.
author | HackBot |
---|---|
date | Sat, 02 Sep 2017 19:23:22 +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.