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