How to make configuration changes without a reboot? (resolved)

[Jay O'Brien]

Jay O'Brien wrote:
>> I learned that in order to make changes to the screen saver,
>> I had to reboot the computer. Those changes, made by
>> sysinstall, appear in /etc/rc.conf.
>>
>> Is there a way to make such changes take effect without
>> rebooting?  (Version 5.3 RELEASE, i386)

Matthew T. Lager wrote:
> You can do a shutdown now to get to single user mode, then 
> execute an exit which will boot back into multi-user mode. 
> All rc scripts will be re-initilized and you won't have to 
> reboot the entire system (be sure to only do this on the 
> console obviously)...

Olivier Nicole wrote:
> Maybe you can try to unload the screen saver module and 
> reload it, look at kldload(8), kldstat(8) and kldunload(8)

Matt, Oliver: 

Thanks! I found that the shutdown/exit worked fine for changing 
the blanktime, but it wouldn't change the logo unless the logo 
was first unloaded using first kldstat and then kldunload. I 
needed guidance from both of you, thanks very much!

Jay O'Brien