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DSpace provides an administrative tool‚ 'CommunityFiliator'‚ for managing community sub-structure. Normally this structure seldom changes, but prior to the 1.2 release sub-communities were not supported, so this tool could be used to place existing pre-1.2 communities into a hierarchy.   It has two operations, either establishing a community to sub-community relationship, or dis-establishing an existing relationship.

The familiar parent/child metaphor can be used to explain how it works. Every community in DSpace can be either a 'parent' community‚ meaning it has at least one sub-community, or a 'child' community‚ meaning it is a sub-community of another community, or both or neither. In these terms, an 'orphan' is a community that lacks a parent (although it can be a parent); 'orphans' are referred to as 'top-level' communities in the DSpace user-interface, since there is no parent community 'above' them. The first operation‚ establishing a parent/child relationship - can take place between any community and an orphan. The second operation - removing a parent/child relationship‚ will make the child an orphan.

Set a parent/child relationship, issue the following at the CLI:

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