/proc/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 /.
20 (node) S 2 2 0 0 -1 1077936448 176 0 0 0 0 4 0 0 20 0 11 0 12967 1939730432 47487 18446744073709551615 94214805540864 94214849300405 140733789332528 0 0 0 0 16781312 17922 1 0 0 -1 0 0 0 0 0 0 94214905900960 94214906786672 94215463399424 140733789341030 140733789341268 140733789341268 140733789343717 0