/proc/4/task/4/root/proc/self
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 /.
4 (node) S 2 2 0 0 -1 4194560 63110 0 754 0 597 90 0 0 20 0 11 0 124905 1922768896 48659 18446744073709551615 94097436332032 94097480091573 140721370108560 0 0 0 0 16781312 17922 0 0 0 17 1 0 0 42 0 0 94097536692128 94097537577840 94098396454912 140721370113422 140721370113660 140721370113660 140721370116069 0