MS-DOS Manager is a friendly file manager shell provided through OEMs
for use with MS-DOS 3.x. It was bundled with systems from Zenith,
3COM, and others. It is similar in operation to the Windows 1.x and
2.x MS-DOS Executive.
single or split screen file list (but no drag-and-drop), files may be
viewed with details or as a compact list, supports associating file
type with external applications, and programs installed on your
computer are easily added to an "Applications" dropdown menu.