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When I am on a console-only machine, I often find myself knee-deep in screen. But, I would like to make an alarm call to get me off to my day job.

Is there a utility or command of some kind that will take over any console screen long enough to warn me of the time?

I don't have any sound. Thanks!

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wall(1) does that. It's had some issues working with screen (1) in the past, but last time I tried it they were fixed.

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Myself, I like to rely on an external device for the time when working solely from a console screen.

My cell phone with an alarm set (even just on vibrate) works well enough.

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