Mercurial > repo
view wisdom/block device @ 11301:6fae3200f233
<int-e> ` mv {bin,lib}/morse-decode; echo \'#!/hackenv/bin/shebang_args_or_input /hackenv/lib/morse-decode\' > bin/morse-decode; chmod +x bin/morse-decode
author | HackBot |
---|---|
date | Thu, 04 Jan 2018 23:48:26 +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.