/proc/4/task/4/root/proc/thread-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 /.
32 (node) S 2 2 0 0 -1 1077936448 10 0 0 0 1 11 0 0 20 0 11 0 8428 1934811136 56125 18446744073709551615 94897036349440 94897080108981 140728291321216 0 0 0 0 16781312 17922 1 0 0 -1 1 0 0 1 0 0 94897136709536 94897137595248 94898125004800 140728291329383 140728291329621 140728291329621 140728291332069 0