/proc/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 56720 0 751 0 309 50 0 0 20 0 11 0 25148 1790955520 27362 18446744073709551615 94403460988928 94403504900021 140724883617616 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 2 0 0 94403560353472 94403561222256 94404547686400 140724883621312 140724883621550 140724883621550 140724883623909 0