/proc/self/root/proc/self/root/proc/2/task/2/root/proc/self/root/proc/2/task/2/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 8 1 1cpu 6 52 1cpuacct 6 52 1blkio 3 49 1memory 4 65 1devices 7 49 1freezer 11 4 1net_cls 9 1 1perf_event 10 1 1net_prio 9 1 1hugetlb 2 1 1pids 5 49 1