Ever wanted to sound like a genius on any subject within seconds? Some clever sod has given access to the opening snippet of every wikipedia article using a DNS lookup. A one line bash script makes retrieving this opening paragraph extremely quick and easy.

~/bin/wiki⌗ 

#!/bin/sh
dig +short txt ${1}.wp.dg.cx

Usage⌗ 

user@host:~$ wiki linux
"Linux (commonly pronounced in English\; variants exist) is a[...]"