/proc/thread-self/root/proc/4/root/proc/self/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 7 1 1cpu 3 36 1cpuacct 3 36 1blkio 10 33 1memory 8 48 1devices 6 33 1freezer 11 4 1net_cls 4 1 1perf_event 5 1 1net_prio 4 1 1hugetlb 9 1 1pids 2 33 1