/proc/self/task/9/root/proc/thread-self/root/proc
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 /.
#subsys_name hierarchy num_cgroups enabledcpuset 5 1 1cpu 3 61 1cpuacct 3 61 1blkio 4 58 1memory 2 74 1devices 10 58 1freezer 7 4 1net_cls 6 1 1perf_event 8 1 1net_prio 6 1 1hugetlb 11 1 1pids 9 58 1