/proc/thread-self/root/proc/4/root/proc/4/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 /.
281 0x9 0x7f1a4841cb80 0x400 0xffffffff 0x0 0x8 0x7f1a4841bdf0 0x7f1a48671ec8