/proc/4/task/7/root/proc/thread-self/root/proc/thread-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 4 1 1cpu 5 59 1cpuacct 5 59 1blkio 7 56 1memory 8 71 1devices 3 56 1freezer 10 4 1net_cls 2 1 1perf_event 9 1 1net_prio 2 1 1hugetlb 6 1 1pids 11 56 1