/proc/self/root/proc
This explorer reads the filesystem of the server it runs on, so /workspace/user isn't present here. Browsing and the terminal still work against this server's own disk from /.
Node 0, zone DMA 1 0 0 1 2 1 1 0 1 1 3 Node 0, zone DMA32 3 3 6 13 2 1 2 1 4 1 704 Node 0, zone Normal 10 11 12 33 8 4 1 1 1 0 0