Break up prerequisite instructions by OS
Break up prerequisite instructions by OS

treiff/exercism.io,treiff/exercism.io,tejasbubane/exercism.io,treiff/exercism.io,tejasbubane/exercism.io,RaptorRCX/exercism.io,RaptorRCX/exercism.io,RaptorRCX/exercism.io,tejasbubane/exercism.io,tejasbubane/exercism.io,treiff/exercism.io,RaptorRCX/exercism.io