- restarting/respawning 
   touch respawn
- dependencies
   a needs started b
- clean multiply dependencies
- start & stop dependencies
   start_depends
   stop_depends
- parallel executation
- start and stop commands
   start -> link
   start_param -> parameters, like minit
   stop -> link
   stop_param -> parameters, like minit

   if no stop command is available, try to kill the pid we started at stop

/startup/
   start_depends=gettys
/shutdown/
   stop_depends=power_off


gettys/
   start_depends=getty/1
   start_depends=getty/2
   start_depends=getty/3
   start_depends=getty/4 ...

getty/1/
   start=/sbin/fgetty
   respawn

power_off/
   stop_depend=umount

umount/
   stop_depend=
