/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: 24290 15759 NET_TX: 0 1 NET_RX: 50632 61804 BLOCK: 145 2847 IRQ_POLL: 0 0 TASKLET: 1276 125 SCHED: 44533 45217 HRTIMER: 0 0 RCU: 10733 10315