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