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