Mercurial > repo
view wisdom/block device @ 12221:d27a84eb0de8 draft
<b_jonas> python3 -cf = "/hackenv/wisdom/ci"; s = open(f).read(); s = s[:-1] + " Shamus Young invented them.\\n"; open(f,"w").write(s); print("%r"%s);
author | HackEso <hackeso@esolangs.org> |
---|---|
date | Sun, 01 Dec 2019 15:30:22 +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.