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