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