$ cd <srcdir> $ cvs update -PdAC -I! -r RELENG_6_2_0_RELEASE $ MAKEOBJDIRPREFIX=<wrkdir> make buildworld $ MAKEOBJDIRPREFIX=<wrkdir> make buildkernel $ MAKEOBJDIRPREFIX=<wrkdir> sudo make installkernel <reboot> $ sudo mergemaster -p -m <srcdir>/etc $ MAKEOBJDIRPREFIX=<wrkdir> sudo make installworld $ MAKEOBJDIRPREFIX=<wrkdir> sudo make delete-old $ sudo mergemaster -ai -m <srcdir>/etc <reboot>