Your program looks nice for a text-based UI. However, I think existing graphical tools are more powerful, especially when displaying a treemap visualization. Ex

Your program looks nice for a text-based UI. However, I think existing graphical tools are more powerful, especially when displaying a treemap visualization. Examples: https://en.wikipedia.org/wiki/Disk_utility#Disk_space_analyzers https://en.wikipedia.org/wiki/Disk_utility#Disk_space_analyz...