/proc/2/root/proc/2/task/2/root/proc/thread-self/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 /.
4f18fb73-9a0c-4bf7-b2d3-2b3402ab9452