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