/proc/2/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 34296 0 753 0 375 81 0 0 20 0 11 0 1359 1814618112 33246 18446744073709551615 94727750045696 94727793805237 140730699227920 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 3 0 0 94727850405792 94727851291504 94728920244224 140730699236749 140730699236987 140730699236987 140730699239397 0