hierarchical file model
Technical computing term for a file organization model that uses a tree-like structure of directories and subdirectories.
This OS adopts a hierarchical file model.
Compound of 階層 (かいそう, 'hierarchy') + ファイル (ふぁいる, 'file') + モデル (もでる, 'model'), a direct calque of the English computing term 'hierarchical file model'.