thumb|275px|ZTreeWin 2.1
XTree is a file manager program originally designed for use under DOS. It was published by Executive Systems, Inc. (ESI) and first released on 1 April 1985, and became highly popular. The program uses a character-mode interface, which has many elements typically associated with a graphical user interface.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).