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