Hum.. and You are also probably new to un*x in general.
I would suggest that You'll get a good introduction book
 to un*x, and then proceed further.

The answer to Your question is username: "root" 
 and untill You'll set a password it will not ask for it.

It is a bad idea to work, or do anything when logged as root
 unless You know VERY WELL what You are doing.

I suggest also:

 http://www.macbsd.com/macbsd/macbsd-docs/faq/faq-5.html#ss5.2

On Sun, 28 Jul 1996, Jon Hui wrote:
> Hi,
> 
> After I installed and booted NetBSD, it somehow ask me to enter login 
> name and password. Can anyone tell me where I can find the appropriate 
> login name and password? I'm new to BSD so my questions maybe silly. 
> Thank you very much.
> 
> And thanks to anyone who answered my BSD-on-LC III question.
> 
> -Jon
> 
> __________________________
> Jon Hui
> <mailto: always@hknet.com>
> 
> *************************************************************************
> Do you believe in Macintosh? Please check out 
> <http://www.evangelist.macaddict.com/> to see how you can help the cause.
> 

     Regards,

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