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