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