/proc/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: 3736 3729 NET_TX: 0 0 NET_RX: 56875 83476 BLOCK: 146 2603 IRQ_POLL: 0 0 TASKLET: 616 14 SCHED: 8457 7830 HRTIMER: 0 0 RCU: 7148 7943