Mercurial > repo

view wisdom/block device @ 11317:16da968350f1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
<zzo38> slashlearn cricket//Cricket is one team is in and one team is out, and the team who are out try to get the team who is in to be out, and then the team who was previously out can be in. Whoever earn more points wins, unless you run out of time, in which case nobody wins.
author HackBot
date Sun, 14 Jan 2018 03:44:32 +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.