Need htaccess help please

[jim6763nva]

I have the following code in my .htaccess file and I'm not sure what it's doing or if I need it. It was added by default. I'd like to be able to do url re-writes to have SE friendly urls and I'm not sure if this is going to mess things up.

 
IndexIgnore .htaccess */.??* *~ *# */HEADER* */README* */_vti*
 
<Limit GET POST>
order deny,allow
deny from all
allow from all
</Limit>
<Limit PUT DELETE>
order deny,allow
deny from all
</Limit>
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