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