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