/proc/self/root/proc/thread-self/root/proc/1/root/proc/self/task/15
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 /.
15 (SignalInspector) S 1 1 1 0 -1 1077936192 1 0 0 0 0 0 0 0 20 0 11 0 561 1848557568 58289 18446744073709551615 7589888 50333345 140731673154192 0 0 0 2147221247 16781312 17922 1 0 0 -1 0 0 0 0 0 0 109655528 109844416 111435776 140731673155312 140731673155521 140731673155521 140731673157607 0