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