/proc/4/task/9/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 /.
4 (node) S 2 2 0 0 -1 4194560 148536 0 755 0 2188 379 0 0 20 0 11 0 9406 1925595136 61309 18446744073709551615 94311056429056 94311100188597 140736145419584 0 0 0 0 16781312 17922 0 0 0 17 0 0 0 4 0 0 94311156789152 94311157674864 94311737937920 140736145421709 140736145421947 140736145421947 140736145424357 0