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