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