/proc/self/task/7/root/proc/2/root/proc/thread-self/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 7 1 1cpu 3 59 1cpuacct 3 59 1blkio 2 56 1memory 4 73 1devices 8 56 1freezer 11 4 1net_cls 6 1 1perf_event 5 1 1net_prio 6 1 1hugetlb 10 1 1pids 9 56 1