On: Lessons learned from cracking 2 million LinkedIn passwords

[waffle_ss]

Cool! You don't need to use cat, though:

  egrep -v "é|'s$|[Åå]|[Øø]" /usr/share/dict/words|shuf --random-source=/dev/random -n4

[wazoox → waffle_ss]

UUOC. It even has its own several web pages. Start there:

http://en.wikipedia.org/wiki/Cat_%28Unix%29#Useless_use_of_c...