/proc/4/task/9/root/proc/self/task/9/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 11 1 1cpu 8 52 1cpuacct 8 52 1blkio 4 49 1memory 3 68 1devices 10 49 1freezer 2 4 1net_cls 6 1 1perf_event 7 1 1net_prio 6 1 1hugetlb 5 1 1pids 9 49 1