$WW,1$$LK,"KMain",A="MN:KMain"$()
  includes $LK,"::/StartOS.HC"$
    includes $LK,"~/MakeHome.HC"$
      includes $LK,"~/HomeSys.HC"$
        calls $LK,"StartUpTasks",A="FF:~/HomeSys.HC,StartUpTasks"$()
          includes $LK,"~/Once.HC"$
            calls $LK,"OnceExe",A="MN:OnceExe"$().

$LK,"AOnce",A="MN:AOnce"$()	appends src code to $LK,"~/Registry.HC"$ $FG,2$Once/Adam$FG$ tree, executed at next boot by $FG,2$Adam$FG$.

$LK,"Once",A="MN:Once"$()	appends src code to $LK,"~/Registry.HC"$ $FG,2$Once/User$FG$ tree, executed at next boot by first $FG,2$User$FG$ term.

At boot, $LK,"OnceExe",A="MN:OnceExe"$(), executes $FG,2$Once/Adam$FG$ tree, $LK,"AOnceFlush",A="MN:AOnceFlush"$()s it,
executes $FG,2$Once/User$FG$ tree and $LK,"OnceFlush",A="MN:OnceFlush"$()s.