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