/proc/4/task/10/root/proc/4/task/4/root/proc/thread-self/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 52 1cpuacct 6 52 1blkio 11 49 1memory 8 69 1devices 9 49 1freezer 7 4 1net_cls 4 1 1perf_event 10 1 1net_prio 4 1 1hugetlb 3 1 1pids 2 49 1