/proc/4/task/7/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 36 1cpuacct 2 36 1blkio 4 33 1memory 3 50 1devices 9 33 1freezer 7 4 1net_cls 6 1 1perf_event 8 1 1net_prio 6 1 1hugetlb 10 1 1pids 11 33 1