/proc/thread-self/root/proc/thread-self/root/proc/1/root/proc/self/task/20
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 /.
0 0x1b 0x8831ec0 0x10000 0x0 0x0 0x7f435986b720 0x7f43197ecb70 0x7f43598e082c