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选题[tech]: 20231120 What is Super Key in Linux?
sources/tech/20231120 What is Super Key in Linux.md
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[#]: subject: "What is Super Key in Linux?"
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[#]: via: "https://itsfoss.com/super-key/"
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[#]: author: "Sagar Sharma https://itsfoss.com/author/sagar/"
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[#]: collector: "lujun9972/lctt-scripts-1700446145"
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[#]: translator: " "
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[#]: reviewer: " "
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[#]: publisher: " "
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[#]: url: " "
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What is Super Key in Linux?
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======
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While reading Linux tutorials on the internet, you'd come across the term 'super key' and if you are a beginner to Linux, it may confuse you.
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In simplest terms, if your computer came pre-installed with Windows, then the Windows key (with the Windows logo) is your super key.
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Whereas if you have an Apple computer, you have to press the command key with the ⌘ symbol as your super key.
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![That's your super key \(or meta key\)][1]
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Pretty simple. Right?
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But what was the reason behind naming it super key? I mean there has to be some interesting story behind it.
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So let's press the super key all together to uncover more details.
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### The idea behind the super key
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It was introduced in The "space-cadet" keyboard, designed in 1978 at MIT for the [Lips machine][2], and mainly introduced to emulate the meta key.
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The meta key was a crucial part of the Emacs editor but the modern keyboards of that time did not ship with a physical meta key and it was often emulated using different key bindings.
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The introduction of a super key solved this issue by giving a physical super key.
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Fast-forward to 1994 when the Windows key appeared for the first time on the [Microsoft Natural keyboard][3] which was used to quickly open the start menu and from 1996, it became common practice to map the meta key on the Windows key.
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### Common use cases of the super key
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When you press the super key on the Ubuntu desktop, it displays the activities overview, which gives you a peek into what is going on in every window:
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![Get activities overview in Ubuntu by pressing the super key][4]
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But you can do a lot more than just have a glimpse of ongoing activities.
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For example, you can press Super and Tab together to bring the application switcher and switch between running apps.
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![][5]
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Here are some shortcuts that utilize the Super key (tested in Ubuntu 23.10):
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📋
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If you are using a distro based on Ubuntu, then some shortcuts may not work as described as the distro maintained may have allocated that shortcut for a different task.
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Shortcut | Description
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Super | Open Activities Overview
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Super + Tab | Switch between open applications
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Super + D | Show desktop (minimize all windows)
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Super + A | Open Applications menu
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Super + S | Show quick settings
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Super + Left Arrow | Snap the active window to the left half of the screen
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Super + Right Arrow | Snap the active window to the right half of the screen
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Super + Up Arrow | Maximize active window
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Super + Down Arrow | Minimize active window
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Super + L | Lock screen
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Pretty handy. Right?
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### Improve productivity with shortcuts
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New to Ubuntu? Here are some helpful shortcuts for Ubuntu users:
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![][6]
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If you are getting started with a terminal, I'd recommend you learn [basic terminal shortcuts for Linux terminals][7]:
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![][6]
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I hope that it was a superbly informative super article ;)
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--------------------------------------------------------------------------------
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via: https://itsfoss.com/super-key/
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作者：[Sagar Sharma][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://itsfoss.com/author/sagar/
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[b]: https://github.com/lujun9972
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[1]: https://itsfoss.com/content/images/2023/11/keyboard-linux.jpg
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[2]: https://en.wikipedia.org/wiki/Lisp_machine
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[3]: https://en.wikipedia.org/wiki/Microsoft_ergonomic_keyboards#Natural_Keyboard
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[4]: https://itsfoss.com/content/images/2023/11/Get-activities-overview-in-Ubuntu-by-pressing-the-super-key.png
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[5]: https://itsfoss.com/content/images/2023/02/App-Switch.png
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[6]: https://itsfoss.com/content/images/size/w256h256/2022/12/android-chrome-192x192.png
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[7]: https://itsfoss.com/linux-terminal-shortcuts/
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