/proc/4/root/proc/4/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 /.
281 0xd 0x7fffb5a79870 0x400 0x2ac 0x0 0x8 0x7fffb5a78ae0 0x7fcf65394ec8