/proc/self/root/proc/2/root/proc/self/root/proc/4/root/proc/2/task/2/root/proc/thread-self
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 /.
11:memory:/10:freezer:/9:hugetlb:/8:cpu,cpuacct:/7:cpuset:/6:pids:/5:devices:/4:blkio:/3:perf_event:/2:net_cls,net_prio:/1:name=systemd:/