FreeBSD, buildword

# cd /usr/src

# svn update 
# make buildworld
# make buildkernel KERNCONF=MYKERNEL 
# make installkernel KERNCONF=MYKERNEL
# shutdown -r now

# adjkerntz -i
# mount -a -t ufs
# mergemaster -p
# cd /usr/src
# make installworld
# mergemaster
# reboot