/proc/4/task/9/root/proc/4/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 2 36 1cpuacct 2 36 1blkio 6 33 1memory 10 48 1devices 11 33 1freezer 4 4 1net_cls 8 1 1perf_event 7 1 1net_prio 8 1 1hugetlb 9 1 1pids 3 33 1