/proc/thread-self/root/proc/4/root/proc/2
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 /.
2 (bootstrap) S 0 2 0 0 -1 4194560 4184 0 79 0 168 188 0 0 20 0 6 0 5363 1054744576 1504 18446744073709551615 94475445883088 94475447205872 140736294649360 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94475447247256 94475447249968 94476225695744 140736294654607 140736294654826 140736294654826 140736294658020 0