/proc/self/root/proc/thread-self/root/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: 40099 41938 NET_TX: 0 2 NET_RX: 632727 625043 BLOCK: 206 87572 IRQ_POLL: 0 0 TASKLET: 103 7353 SCHED: 94839 90321 HRTIMER: 0 0 RCU: 57421 57057