/proc/2/root/proc/thread-self/root/proc/thread-self/root/proc/2/root/proc/self/task/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 /.
281 0xd 0x7ffeba45c2f0 0x400 0x191 0x0 0x8 0x7ffeba45b570 0x7fcf2a7e2ec8