/proc/2/root/proc/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 /.
4 (node) S 2 2 0 0 -1 4194560 19935 0 746 0 183 38 0 0 20 0 11 0 21234 1808166912 29706 18446744073709551615 94037596045312 94037639956405 140722914167760 0 0 0 0 16781312 17922 0 0 0 17 1 0 0 2 0 0 94037695409856 94037696278640 94038717550592 140722914174400 140722914174638 140722914174638 140722914176997 0