How to create subdomains and mask url

Hello,
Can some one please tell me how can create subdomains for my domains? I have an application, where the url will be http://www.abc.com/user/student/login.html now this url I want to musk by a unique subdomains for the user and make it look like this http://MERIT.abc.com/login.htmlThis will be created for all users. The users will get to chose the url that they want. I was wondering how can this be done?
I think here
1, I will have to create a subdomain after making sure that it is not already registered
2. Point this domain to www.abc.com/users/login
Usually I do this in the server using control panel by creating an A RECORD. Is there any provision in servlets to create A record?
Thanks

That depends on the appserver in question. Consult the documentation which come along with it. If you're using for example Tomcat, then you should read this document: [http://tomcat.apache.org/tomcat-6.0-doc/virtual-hosting-howto.html]. Googling using smart keywords like "$appservername subdomain" (e.g. "tomcat subdomain") may also generate lot of helpful information.
This has essentially nothing to do with servlets. Self-respected appserver vendors have a forum or mailinglist at their website for the case you stucks.

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Subject: I feel like a rookie but, can someone tell me how to create links to external URLs in Muse?
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Web Dynpro Client Type HTML Client
User agent Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
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Java VM Java HotSpot(TM) Server VM, version:1.4.2_13-b06, vendor: Sun Microsystems Inc.
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