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