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