/proc/self/root/proc/thread-self/root/proc/12/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 /.
10 (MainThread) R 1 1 1 0 -1 4194560 55729 0 703 0 1491 239 0 0 20 0 11 0 124 1847308288 55099 18446744073709551615 7487488 50333345 140727289136112 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 14 0 0 108688912 108877056 131612672 140727289137069 140727289137278 140727289137278 140727289139175 0