/proc/self/root/proc/4/task/9/root/proc/4/root/proc/2/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 9 1 1cpu 7 38 1cpuacct 7 38 1blkio 2 35 1memory 6 52 1devices 3 35 1freezer 11 4 1net_cls 5 1 1perf_event 4 1 1net_prio 5 1 1hugetlb 8 1 1pids 10 35 1