Move /etc/conf.d/rc to /etc/rc.conf.

Lowercase all configurable variables, non configurations remain uppercase.
Replace rc_env_bool with rc_yesno.
Split localmount info procfs (Linux) and dumpon, savecore (BSD)

conf.d/clock

@@ -4,16 +4,9 @@
 # Greenwich Mean Time).  If your clock is set to the local time, then 
 # set CLOCK to "local".  Note that if you dual boot with Windows, then 
 # you should set it to "local".
-CLOCK="UTC"
+clock="UTC"
 
 # If you want to set the Hardware Clock to the current System Time 
-# during shutdown, then say "yes" here.
+# during shutdown, then say "YES" here.
 # You normally don't need to do this if you run a ntp daemon.
-CLOCK_SYSTOHC="no"
-
-# Select the proper timezone.  For valid values, peek inside of the
-# /usr/share/zoneinfo/ directory.  For example, some common values are
-# "America/New_York" or "EST5EDT" or "Europe/Berlin".  If you want to
-# manage /etc/localtime yourself, set this to "".
-TIMEZONE="Factory"
-
+clock_systohc="NO"