/proc/4/root/proc/4/task/6/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 54 1cpuacct 3 54 1blkio 4 51 1memory 2 67 1devices 10 51 1freezer 7 4 1net_cls 6 1 1perf_event 8 1 1net_prio 6 1 1hugetlb 11 1 1pids 9 51 1