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