/proc/self/root/proc/self/task/4/root/proc/self/task/6/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 10 1 1cpu 3 36 1cpuacct 3 36 1blkio 9 33 1memory 7 52 1devices 8 33 1freezer 2 4 1net_cls 6 1 1perf_event 5 1 1net_prio 6 1 1hugetlb 11 1 1pids 4 33 1