I keep running into this obnoxious problem in Windows 10 where explorer treats .html files as special such that they have a folder grouped with them. So for example, if I try to duplicate an HTML file ...
When MS-DOS 5.0 was launched in 1991, one of its major innovations was the MS-DOS Editor, a classic text editor that quickly became popular with users. These days, it’s old news—yet fondly remembered.