/proc/self/root/proc/4/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 5 59 1cpuacct 5 59 1blkio 9 56 1memory 3 75 1devices 11 56 1freezer 2 4 1net_cls 7 1 1perf_event 4 1 1net_prio 7 1 1hugetlb 6 1 1pids 8 56 1