17

Is there still a use for this key in modern operating systems? I know back in the days of the rapid fire dir /s on ten thousand files in DOS 5.5 this key was indispensable, but is it needed anymore? If not, can I remap it to do something else? If so, what?

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  • 1
    I use as my media Play/Pause button
    – wjdp
    Mar 22 '15 at 15:50
23

In Windows, Windows + Pause/Break opens up the System Properties window. Not exactly relevant to what the key was originally designed for, but still quite useful!

0
16

The Pause/Break key can also be used during boot to pause a POST screen so you can read it before continuing. I find it useful when I'm trying to double check that something is detected properly by the BIOS.

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  • ok thats a given. I figure any remapping i do wouldn't effect that
    – NoCarrier
    Jul 24 '09 at 21:31
  • 2
    For sure. You could remap it to anything you want without affecting its functionality at boot time.
    – Auxonic
    Jul 28 '09 at 17:44
9

Windows supports remapping keys itself: howtoogeek article

Ctrl + Break is still useful on the command prompt to send a break character; but Ctrl + C is a little easier.

9

Here are a couple common keyboard alternatives (please feel free to contribute to this list)

  • General -Pause
  • General -Shift + Pause
  • Lenovo - Ctrl + Fn + F11
  • Lenovo - Ctrl + Fn + B
  • Lenovo - Fn + B
  • Logitech - Fn + B
  • Samsung - Fn + B
  • HewlettPackard - Ctrl + Fn + Pause
  • HewlettPackard - Ctrl + Fn + Right-Shift
  • Dell - Fn + B
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  • Thank you. Ctrl + Fn + Pause works for Break on my Dell Precision M6800 laptop.
    – spinjector
    Nov 22 '19 at 19:43
  • 1
    While this doesn't answer the original question, this was what I was looking for when google sent me here. Thanks. Also added to the list.
    – matli
    Jan 24 '20 at 9:19
  • Also on Logitech Ergo K860, Fn + WM/SC (Windows Menu / scroll lock key in top right corner) works as break key. For Ctrl+Break == Ctrl+Fn+WM/SL
    – C Perkins
    May 25 at 21:50
  • Fn+B on this Dell Precision 5501 according to en.key-test.ru Adding Win opens Windows properties. Jun 22 at 7:52
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If you ever have to configure equipment using a terminal emulator, you might wish you had kept the key. You need that key to halt the cisco boot process to recover the IOS or the configuration. I have had to do this to get into cisco devices people have forgotten the password on quite a few times.

Now if you never ever do this sort of thing then you have no disincentive to remap the key. I find it more practical to map key combinations that you never ever use. This is particularly the case in multi-clipboard apps I have used doing repetitive tasks.

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The command prompt still accepts this key in XP, as other OSes.

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You can remap any key to do just about anything if you install AutoHotkey.

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  • 2
    this question is not windows-specific.
    – phil294
    Jul 14 '17 at 17:09
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ctrl+alt+break is a useful shortcut to toggle between full-screen and windowed remote desktop sessions.

ctrl+break is a useful shortcut for stopping a build in Visual Studio.

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