Require authentication for shutdown

  1. toastytoast1234 Marshmallow Jun 17, 2019

    toastytoast1234, Jun 17, 2019 :
    Sorry, but I'm too busy to do any teaching this year. I haven't updated my textbook though, so students should be able to use the 2018 issue for their exam prep.

    Budruel, G_plusone and B_Wrath like this.