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