/proc/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 /.
1 (init) S 0 0 0 0 -1 4194624 46 0 0 0 0 0 0 0 20 0 1 0 5869 17747968 54 18446744073709551615 1 1 0 0 0 0 0 4096 66624 0 0 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0