from the sorry-dave-can't-let-you-do-that dept.
CowboyRobot writes "Tom Limoncelli has a piece in 'Queue' summarizing the Computer-Human Interaction for Management of Information Technology's list of how to make software that is easy to install, maintain, and upgrade. FTA: '#2. DON'T make the administrative interface a GUI. System administrators need a command-line tool for constructing repeatable processes. Procedures are best documented by providing commands that we can copy and paste from the procedure document to the command line.'"
If you push the "extra ice" button on the soft drink vending machine, you won't
get any ice. If you push the "no ice" button, you'll get ice, but no cup.