/proc/4/task/10/root/proc/4/root/proc/self/root/proc/self
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 0xd 0x7ffe6c2dfc50 0x400 0x1e9 0x0 0x8 0x7ffe6c2deed0 0x7f0ec8c96ec8