/proc/thread-self/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 /.
5 (node) S 2 2 0 0 -1 4194560 159486 0 777 0 2824 591 0 0 20 0 11 0 1356 1925074944 61425 18446744073709551615 93910464593920 93910508505013 140727145278816 0 0 0 0 16781312 17922 0 0 0 17 1 0 0 6 0 0 93910563958464 93910564827248 93911368437760 140727145285057 140727145285295 140727145285295 140727145287653 0