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