/proc/thread-self/root/proc/thread-self/root/proc/12/task/11/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 /.
18 (libuv-worker) S 1 1 1 0 -1 4194624 10 0 0 0 0 3 0 0 20 0 11 0 443 1776463872 39754 18446744073709551615 7589888 50333345 140722357672160 0 0 0 0 16781312 17922 1 0 0 -1 0 0 0 0 0 0 109655528 109844416 647290880 140722357679848 140722357680057 140722357680057 140722357682151 0