A pedantic thing to say, surely, but the title really should’ve been: “Linux Directory Structure” – ‘Linux filesystems’ (the title in the graphic) refers to a different topic entirely; the title of this post mitigates the confusion a bit, though still, ‘directory structure’ is the better term.
With Proxmox on AMD gpus, it can be as simple as picking a pci device from a dropdown.
– but then again, you’ll need to learn how to properly use proxmox, esp. with respect to storage configuration. Also, the performance can still suffer, depending on various factors.
If it’s not too big of an inconvenience, dual boot is the way to go, IMHO.