As can clearly be seen from the Go menu - Alt+Left/Right take you forward and back in the history whereas Alt+Up opens the parent directory of the one you're in. These can be entirely different. Please check your Go menu and see if the shortcuts are the same.
--- Ubuntu Bug Squad volunteer triager http://wiki.ubuntu.com/BugSquad -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/820262 Title: Alt+left/right navigation doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/820262/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs