Subdomain creation using htacces

[eluser]thas[/eluser]
hi all,

I am new to this forum. i have no idea to create subdomain. if anybody know please help me.

the extract url is:

http://domain.com/index.php/login/defaul...ubdomain/0

I want to write like it

http://subdomain.domain.com




Any help is greatly appreciated !!!! :-)

[eluser]bretticus[/eluser]
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