/proc/4/task/5/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 5 1 1cpu 2 40 1cpuacct 2 40 1blkio 11 37 1memory 6 52 1devices 3 37 1freezer 4 4 1net_cls 10 1 1perf_event 8 1 1net_prio 10 1 1hugetlb 9 1 1pids 7 37 1