Hi there !!
Can anyone put some light how the below mention things were coded. ..

http://www.servername.com:1234(portnumber, I guess!!) will lead you the admin interface and http://servername.com/ will lead to the client interface.

Being a new born programming kid, i keen to know that stuff.

Any sugeestion is most welcome !

With Thanks !

You web server will allow you to specify a port (other than 80) to run multiple web applications/sites. You can also specify like the following:

admin.servername.com - for administration
dev.servername.com - for development
www.servername.com - production.

Thanks Sir !

But would you like add some more lights on it ? How can i specify the things.. ...
admin.servername.com - for administration,
dev.servername.com - for development.

Are admin and dev virtual directories ?

Also, How can i configure my webserver( IIS ) so that it can do that (port number) things ?

With Thanks !