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