blocks|key|4457718|text|尝试在您的终端中运行xcrun+simctl+delete+unavailable。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4457719|原始答案：Xcode+-+free+to+clear+devices+folder?|4457720|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/34914591/2670547^0|A|V|0|5|11|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|S|8|@]|D|@$9|T|A|U|1|V]]|E|$]]|$1|H|3|-4|5|6|7|W|8|@]|D|@]|E|$]]]|I|$J|$5|K|L|M|E|$N|O]]]]

Try to run <code>xcrun simctl delete unavailable</code> in your terminal. 

Original answer: <a href="https://stackoverflow.com/a/34914591/2670547">Xcode - free to clear devices folder?</a>

blocks|key|4457765|text|该目录是用户数据的一部分，您可以删除任何用户数据，而不会严重影响Xcode。您可以删除整个CoreSimulator/目录。当您下一次运行模拟器时，Xcode将在那里重新创建新的实例。如果您能够承受丢失任何以前的应用程序模拟器数据，这是获得空间的简单方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4457766|更新:一个相关的有用应用程序是“Xcode的DevCleaner”https://apps.apple.com/app/devcleaner-for-xcode/id1388020431|offset|length|4457767|entityMap|0|LINK|mutability|MUTABLE|url|https://apps.apple.com/app/devcleaner-for-xcode/id1388020431^0|0|X|1O|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

That directory is part of your user data and you can delete any user data without affecting Xcode seriously. You can delete the whole CoreSimulator/ directory. Xcode will recreate fresh instances there for you when you do your next simulator run. If you can afford losing any previous simulator data of your apps this is the easy way to get space.

Update: 
A related useful app is "DevCleaner for Xcode"
<a href="https://apps.apple.com/app/devcleaner-for-xcode/id1388020431" rel="noreferrer">https://apps.apple.com/app/devcleaner-for-xcode/id1388020431</a>

blocks|key|4457784|text|如果你碰巧是一个iOS+developer|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4457785|查看您已经下载了多少模拟器，因为它们占用了大量空间：|4457786|访问：~/Library/Developer/Xcode/iOS+DeviceSupport|4457787|同时删除旧的存档应用程序：|4457788|访问：~/Library/Developer/Xcode/Archives|4457789|我这样做清理了100的内存。|4457790|entityMap^0|8|D|0|0|3|17|0|0|3|Y|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|U|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|V|8|@$9|W|A|X|B|C]]|D|@]|E|$]]|$1|J|3|K|5|6|7|Y|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|Z|8|@$9|10|A|11|B|C]]|D|@]|E|$]]|$1|N|3|O|5|6|7|12|8|@]|D|@]|E|$]]|$1|P|3|-4|5|6|7|13|8|@]|D|@]|E|$]]]|Q|$]]

If you happen to be an <code>iOS developer</code>:
Check how many simulators that you have downloaded as they take up a lot of space:
Go to: <code> ~/Library/Developer/Xcode/iOS DeviceSupport</code>
Also delete old archived apps:
Go to: <code> ~/Library/Developer/Xcode/Archives</code>
I cleared 100GB doing this.

blocks|key|4457803|text|您还可以删除~/Library/Developer/CoreSimulator/Caches/dyld/目录并释放大量内存。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4457804|entityMap^0|6|1A|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

You can also remove <code>~/Library/Developer/CoreSimulator/Caches/dyld/</code> directory and free a lot of memory.

blocks|key|4457838|text|我创建了一个小的命令行实用程序，用于清理CoreSimulator文件夹和其他一些与Xcode相关的文件夹，它们可能会占用this+answer中指定的额外空间。如果你觉得这对你有帮助，you+can+check+it+out+here.|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4457839|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/40327522/10706839|1|https://github.com/lajosdeme/xcclear^0|K|D|1P|4|0|2L|Q|1|0^^$0|@$1|2|3|4|5|6|7|P|8|@$9|Q|A|R|B|C]]|D|@$9|S|A|T|1|U]|$9|V|A|W|1|X]]|E|$]]|$1|F|3|-4|5|6|7|Y|8|@]|D|@]|E|$]]]|G|$H|$5|I|J|K|E|$L|M]]|N|$5|I|J|K|E|$L|O]]]]

I created a small command-line utility that cleans the <code>CoreSimulator</code> folder and some other Xcode-related folders that might take up extra space, specified in <a href="https://stackoverflow.com/a/40327522/10706839">this</a> answer. If you think this is something that would help you, <a href="https://github.com/lajosdeme/xcclear" rel="noreferrer">you can check it out here.</a>

blocks|key|4457862|text|除了xcrun+simctl+delete+unavailable之外，您还可以一次性清理所有模拟的操作系统数据和应用程序：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4457863|+xcrun+simctl+erase+all|code-block|syntax|javascript|4457864|也就是说，以防你不需要模拟器上的数据和安装的应用程序。您很可能不会这样做-+Xcode将在您下次在某个模拟器中运行它时安装操作系统和应用程序。|4457865|这可能会释放出更多的of磁盘空间。|4457866|(另外，如果xcrun说找不到simctl：请确保在Xcode首选项->+Locations+->命令行工具中正确指定了开发工具的位置)|4457867|entityMap^0|2|V|0|0|0|0|6|5|F|6|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|W|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|X|8|@]|D|@]|E|$]]|$1|O|3|P|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|13|8|@]|D|@]|E|$]]]|R|$]]

In addition to <code>xcrun simctl delete unavailable</code>, you can also clean up all simulated OS data and apps at once:
<pre><code> xcrun simctl erase all
</code></pre>
That is, in case you don't need the data and installed apps on the simulators. Which you most likely don't - Xcode will install the OS and your app(s) next time you run it in one of the simulators.
This might free up some more gigabytes of disk space.
(Also in case <code>xcrun</code> says <code>simctl</code> could not be found: make sure the location of your dev tools is correctly specified in Xcode Preferences -&gt; Locations -&gt; Command Line Tools)

My <code>~/Library/Developer/CoreSimulator/Devices</code> folder is <code>26 Gb</code> in size.

Is it safe to just delete all the content? Will those files be automatically regenerated?

macOS Xcode CoreSimulator folder very big. Is it ok to delete content?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我的~/Library/Developer/CoreSimulator/Devices文件夹的大小是26 Gb。删除所有内容安全吗？这些文件会自动重新生成吗？

问macOS Xcode CoreSimulator文件夹非常大。是否可以删除内容？
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问macOS Xcode CoreSimulator文件夹非常大。是否可以删除内容？EN