Q-DOS II (12/01/1987)
Released in 1987 by Gazelle Systems
For DOS

Image quality: No write notch/unmodified

Gazelle Systems Q-DOS is a text mode based file manager for DOS.
Q-DOS is a simplified file manager that presents all DOS functions
visibly. It competed against many other file managers including
Norton Commander and Xtree.

This software requires direct disk access, and will not work properly
in DOSBox.

This version is not compatible with drives larger than 32MB under DOS
4.0 or later.

Note: There were multiple releases under the name Q-DOS II, with 
inconsistent versioning.