single machine, different IP addresses

[T o n g <mlist4suntong@yahoo.com>]

Hi,

Is it possible to make a single machine having/answering to different IP 
addresses (I'm using DNSmasq as the dns server)?

>From http://www.acme.com/software/thttpd/thttpd_man.html

,-----
| You can use ifconfig(8)'s alias command to tell the machine to
| answer to all of the different IP addresses. Example:
| 
|     ifconfig le0 www.acme.com
|     ifconfig le0 www.joe.acme.com alias
|     ifconfig le0 www.jane.acme.com alias
| 
| provided that your OS's version of ifconfig have an alias command.
`-----

But this really looks Greek to me. 

Anyone can help me straight out the whole thing?

Thanks

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