1- Open Mozilla Firefox and type in the address bar about:config.
2- From the Filter box, type keyword.URL
3- Now right click that single entry and select modify. A box will appear. Refer the image given below.
4- Choose your Search Engine type and accordingly enter the string value of various Search Engines given below.
List of Various Search Engines is as follows:-
Default Google Search
http://www.google.co.in/search?btnG=Google+Search&q=
Google Search with I’m Feeling Lucky
http://www.google.co.in/search?btnI=I%27m+Feeling+Lucky&q=
Yahoo search
http://search.yahoo.com/search?p=
Microsoft’s Live Search
http://search.live.com/results.aspx?q=
Wikipedia
http://en.wikipedia.org/wiki/Special:Search?fulltext=Search&search=
Technorati
http://www.technorati.com/search/
