/proc/thread-self/root/proc/4/task/4/root/proc/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 4 59 1cpuacct 4 59 1blkio 11 56 1memory 9 74 1devices 10 56 1freezer 8 4 1net_cls 7 1 1perf_event 3 1 1net_prio 7 1 1hugetlb 2 1 1pids 6 56 1