
1) Disk file system
Found on
https://www.crosswordclues.com/clue/htree

An HTree is a specialized tree data structure for directory indexing, similar to a B-tree. They are constant depth of either one or two levels, have a high fanout factor, use a hash of the filename, and do not require balancing. The HTree algorithm is distinguished from standard B-tree methods by its treatment of hash collisions, which may overflo...
Found on
http://en.wikipedia.org/wiki/HTree
No exact match found.