hi guys can anyone tell me whats is the need for this robots.txt ? i am a newbie and not much familiar abt such things so might asked some foolishness forgive me guys
http://en.wikipedia.org/wiki/Robots.txt In a nutshell, it allows you to restrict search engine bots from accessing certain parts of your site.
It is a file to give instructions about the site to the web robots. It is known as Robots Exclusion Protocol. But remember that it can't stop all the robots. Malware robots that scan the web for security vulnerabilities and email harvesters used by spammers will pay no attention. For more info visit robotstxt.org
Here is info from google on how they use the robots txt file google.com/support/webmasters/bin/answer.py?hl=en&answer=40360