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apt-get install baobob
The one you're looking for is baobob. ...
I can't help you there then, if you didn't want pie charts I would've recommended ncdu. It's a terminal application that tells you exactly what you need to know without the need of charts at all.
Admin at Linux Distro Community, humble slave of LGC & lurker at GOL. [GitHub, Twitter, Steam]
Is the image from your first post your image? If you want what is in that image it looks to me like is Nautilus file manager.
My OS is Linux Lite and it uses Thunar. Will it show disk useage too?
IIRC, it's the Nautilus file manager's right-click "Properties" (Basic tab) dialog for a "Drive"
If I'm wrong .. well let's just say it's been a while since I used Nautilus
But this seems to bear me out:
Sorry, new here and didn't see this topic.