Apple is getting out of the stand-alone display market—at least for now—and says there are plenty of third-party alternatives to its now defunct Thunderbolt Display. Sorting out which display to buy can be a little intimidating, so The Mac Observer put together a list with some great 4K, 5K, and HD options to help make your shopping a little easier.
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OS X: Using Policy Banner for Custom Login Screens
You may know that you can set a custom message on your Mac’s lock screen, so if someone takes or finds your computer, he’ll have an easy way to contact you. However, if you’re an administrator who manages multiple machines, there’s also a built-in way to add a policy banner, which’ll make anyone who logs in click an “Accept” button to continue.