/proc/4/task/6/root/proc/self/root/proc/4/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 9 1 1cpu 4 59 1cpuacct 4 59 1blkio 8 56 1memory 7 73 1devices 2 56 1freezer 3 4 1net_cls 11 1 1perf_event 6 1 1net_prio 11 1 1hugetlb 10 1 1pids 5 56 1