/proc/4/task/8/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 6 38 1cpuacct 6 38 1blkio 10 35 1memory 8 50 1devices 11 35 1freezer 2 4 1net_cls 4 1 1perf_event 7 1 1net_prio 4 1 1hugetlb 9 1 1pids 3 35 1