/proc/2
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 /.
2 (bootstrap) S 0 2 0 0 -1 4194560 666 0 79 0 8 6 0 0 20 0 7 0 717 423092224 1103 18446744073709551615 94724273438928 94724274761712 140723098769888 0 0 0 0 4096 83008 0 0 0 17 0 0 0 0 0 0 94724274803096 94724274805808 94725114855424 140723098772111 140723098772330 140723098772330 140723098775524 0