This paper motivates the development of tailor-made data mangement software by presenting a relational file system that has been written from scratch to contain only the database functionality absolutely required for operation. In this paper, the background of the file system is briefly described, and it is stated why an off-the-shelf database system was not suitable for its major components. This application serves as a model for what highly configurable data management software should be able to deliver. If such a system was available at the time of development, a large amount of work would have been saved.

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