一个dos下面写的图形界面的文件管理器，看看怎么在dos下写图形界面吧。-a graphical interface written in the file manager to see how the dos graphics interface was under it.

README for Picturebrowser ========================= The modified files are included as listed in the final report: -alt_ypes.h : header file for io.h -nxview.c: modified this existing, to time the running time of the display -picturebrowser