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