/proc/4/task/10/root/proc/self/root/proc/self/task/7/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 2 52 1cpuacct 2 52 1blkio 7 49 1memory 11 66 1devices 8 49 1freezer 3 4 1net_cls 6 1 1perf_event 5 1 1net_prio 6 1 1hugetlb 10 1 1pids 9 49 1