use it for educational purposes, if u use it for hacking u will be responsible for ur act:
INTITLE: restrics your search to the titles of the web pages.
INURL: restricts your search to the URLs of web pages.
INTEXT: searches only body text(i.e ignores link text,URLs, and titles).
INANCHOR: searches for text in a page's link anchor.
SITE: allows you to narrow your search by either a site or a top level domain.
LINK: returns a list of pages linking to the specified URL.
CATCHE: finds a copy of the Google indexed even if that page is no longer available at its original URL or has since chaned its content completely.
FILETYPE: searches the suffixes or filename extensions.
