/proc/4/task/10/root/proc/self/task/10/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 8 36 1cpuacct 8 36 1blkio 10 33 1memory 6 48 1devices 3 33 1freezer 4 4 1net_cls 9 1 1perf_event 7 1 1net_prio 9 1 1hugetlb 2 1 1pids 11 33 1