HX-DOS Extenderマジで何、になっている

"Only HX provides a GUI support, multithreading and compatibility with new compilers, and supports some new (2000/XP-specific) API calls."
Dr-DOS Wiki | Main / HX (formerly known as HX-DOS Extender) https://pmwiki.xaver.me/drdoswiki/index.php?n=Main.HX-DOS .