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