/proc/4/root/proc/self/task/5/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 7 1 1cpu 6 61 1cpuacct 6 61 1blkio 5 58 1memory 9 75 1devices 11 58 1freezer 4 4 1net_cls 2 1 1perf_event 10 1 1net_prio 2 1 1hugetlb 3 1 1pids 8 58 1