/proc/self/root/proc/thread-self/root/proc/self/task/20
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 0x1b 0x8873040 0x10000 0x0 0x0 0x7f3c4c2d2720 0x7f3c4906eb30 0x7f3c4c34782c