DDG has a lot of short commands like this. There's a list of regular ones here: http://duckduckgo.com/goodies.html http://duckduckgo.com/goodies.html (stuff lik

DDG has a lot of short commands like this. There's a list of regular ones here: http://duckduckgo.com/goodies.html http://duckduckgo.com/goodies.html (stuff like "is it raining?"). More technical commands are here: http://duckduckgo.com/tech.html http://duckduckgo.com/tech.html (like IP address lookups, whois commands and password generation).