On Sat, Apr 04, 2009 at 06:42:28PM -0400, x x wrote: > Is it ok to do cp bsd.rd bsd.mp, or should I do mv bsd.mp bsd, what is the best way to make .mp the default boot kernel? The best practice is to use boot.conf(5), and "set image bsd.mp". This will avoid any confusion, avoid problems with upgrade, and allow you to manually boot the uniprocessor kernel if necessary.