/proc/self/root/proc/4/root/proc/4/task/4/root/proc/4/task/9/root/proc/thread-self
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 0x18 0x56333311eae0 0x10000 0x5632c16299c8 0x0 0x0 0x7f28c2ffcaa0 0x7f291395982c