/proc/4/task/4
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 0xd 0x7fffa94d24b0 0x400 0x5f 0x0 0x8 0x7fffa94d1730 0x7efdec348ec8