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