Open-Sourced Windows File Manager Gets New Life on Windows 10:
Microsoft has rummaged deep into its archive for its latest contribution to the open source community: Windows File Manager. Originally bundled with Windows in 1990, File Manager was a replacement for the command-line interface in MS-DOS. The program was used to search, open, copy and delete files until it was replaced by Windows Explorer, which followed the introduction of Windows 95. Craig Wittenberg, a veteran of Microsoft, has maintained the code since 2007, after copying it from the Windows NT 4 source tree in November of that year.