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