/proc/4/task/10/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 5 1 1cpu 7 52 1cpuacct 7 52 1blkio 8 49 1memory 10 67 1devices 11 49 1freezer 6 4 1net_cls 9 1 1perf_event 3 1 1net_prio 9 1 1hugetlb 2 1 1pids 4 49 1