/proc/4
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 8490 0 661 0 31 11 0 0 20 0 11 0 1400 1569005568 18151 18446744073709551615 93914891833344 93914935592885 140728341791408 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 2 0 0 93914992193440 93914993079152 93915701993472 140728341800333 140728341800571 140728341800571 140728341802981 0