Type in a command, or "ls dictionary" to search all commands for "dictionary", etc.

gsuggest

(This command has been awarded a Yubnub Golden Egg)

http://www.google.com/search?complete=1&q=%s
Let Google Suggest What to Search
One of Google's many buried features is the capacity to suggest
a search by auto-completing a search phrase as you type it in.
For example if you type in "46 Best..." Google will offer
several choices including "46 Best-ever Freeware Utilities." 
    
44 uses - Created 2005-06-13 02:11:14 - Last used 2012-03-06 22:23:18