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