Mercurial > repo

view wisdom/block device @ 11197:b0349228072c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<int-e> addquote <fungot> shachaf: i\'ve a long road ahead of me, it would be flattering. dudes got to act in accordance with my final wishes! they\'re the last things i ever did wish, and that makes me very sad to me!
author HackBot
date Tue, 26 Sep 2017 10:40:10 +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.