/proc/2/root/proc/self/task/5
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 /.
281 0x9 0x7f94acd7cb40 0x400 0xffffffff 0x0 0x8 0x7f94acd7bdc0 0x7f94acfd1ec8