/proc/4/task/4/root/proc/thread-self/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 4 1 1cpu 7 59 1cpuacct 7 59 1blkio 6 56 1memory 10 74 1devices 2 56 1freezer 11 4 1net_cls 9 1 1perf_event 5 1 1net_prio 9 1 1hugetlb 8 1 1pids 3 56 1