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