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