This challenge is named earth, and is located within module world.
When users start this challenge, their environment will have:
/flag/challenge/earth/challenge/planets.txt/chalenge/.init/challenge/planet_earth/challenge/planet_jupiter/challenge/planet_mars/challenge/planet_mercury/challenge/planet_neptune/challenge/planet_saturn/challenge/planet_uranus/challenge/planet_venus
Symbolic links which are relative to the dojo root-directory are supported.
When a challenge starts, and before users have access to their environment, .init will automatically be run as the root user.