Installing 9.1 without re-partitioning hard drive

[Warren Block]

On Fri, 15 Mar 2013, leeoliveshackelford at surewest.net wrote:

> Good evening, Free BSD enthusiasts.  Thank you to each of the several 
> people who have responded to my previous messages.  I have made 
> significant progress, but am now flummoxed at the installation of the 
> boot loader.  The handbook says to run this command, "boot0cfg -B 
> ad0".  When I run this command, I get the following error message: 
> "Unable to get providername for ad0".

This message means there is no disk called ad0.  On FreeBSD 9.x, it is 
likely to be called ada0 instead.

I can't find that command in the Handbook.  Could you please point out 
where it is?