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