How to change OS X banner notification duration using Terminal

Notification Banner

I’ve recently found myself wishing there was a space between banners and alerts with OS X’s notification system. Alert style notifications that require manually dismissing can be rather annoying, but quick banner notifications often fly by before I’ve had time to glance at the information. It turns out despite not having a toggle in the system preferences, a little Terminal code shared by OS X Daily allows you to toggle the duration down to the second…

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