/proc/thread-self/root/proc/4/root/proc/4/root/proc/4/task/7/root/proc/sys/kernel/random
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 /.
906e08df-8168-49ae-9d82-b42ae0bed4b2