/proc/thread-self/root/proc/self/root/proc/1/root/proc/thread-self/root/proc/self/task/21
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 /.
0 0x1a 0x79508c0 0x10000 0x0 0x0 0x7f056d375720 0x7f0517ffeb70 0x7f056d3ea82c