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