/proc/self/root/proc/4/root/proc/4/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 6 1 1cpu 3 36 1cpuacct 3 36 1blkio 10 33 1memory 8 51 1devices 9 33 1freezer 11 4 1net_cls 5 1 1perf_event 7 1 1net_prio 5 1 1hugetlb 2 1 1pids 4 33 1