/proc/self/task/4/root/proc
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 /.
CPU0 CPU1 HI: 0 0 TIMER: 1018 545 NET_TX: 0 0 NET_RX: 4349 5820 BLOCK: 148 2489 IRQ_POLL: 0 0 TASKLET: 71 4 SCHED: 1966 1441 HRTIMER: 0 0 RCU: 3050 2969