This is the same issue as bug #1014831, which you also opened. bug #1014831 explains that this is not a bug, removing the file using the method illustrated in bug #1014831 will remove the file.
Invalid, and refer back to bug #1014831 as for the reasons behind the invalidity. As was said before, this is not a bug, the file is immutable in order to prevent indiscriminate removal of the file. ** Changed in: ubuntu Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1251072 Title: rm does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1251072/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs