/proc/2/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 10 36 1cpuacct 10 36 1blkio 3 33 1memory 9 49 1devices 7 33 1freezer 8 4 1net_cls 4 1 1perf_event 2 1 1net_prio 4 1 1hugetlb 11 1 1pids 6 33 1