Robots.txt help?

Hey i started a new blog and i want to make sure that robots.txt is correct
here is my robots.txt code

Sitemap: http://www.yourblog.com/sitemap.xml
User-agent: *
Disallow: /wp-content/
Disallow: /wp-admin/
Disallow: /wp-includes/
Disallow: /wp-
Disallow: /feed/
Disallow: /trackback/
Disallow: /cgi-bin/
User-agent: Googlebot
Disallow: /*.php$
Disallow: /*.js$
Disallow: /*.cgi$
Disallow: /*.xhtml$
Disallow: /*.php*
Disallow: */trackback*
Disallow: /*?*
Disallow: /z/
Disallow: /wp-*
Disallow: /*.inc$
Disallow: /*.css$
Disallow: /*.txt$

Please let me know if you need anymore details

hi,

What is use of robot.txt format…??? meet again.

Yep Correct.

robots.txt:
We can block the personal information from the search engine.

robots.txt file is very important in crawl point of view.I we want the particular page does not crawl through engine then at that time robots.txt file is play important role