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https://github.com/yannbertrand/macos-defaults
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81 lines
3.1 KiB
Handlebars
---
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metaTitle: "macOS defaults"
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meta:
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- property: "og:title"
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content: "A list of macOS defaults commands with demos ✨"
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content: "You've already copied `defaults write` commands. Sometimes you don't know what they do and are not sure they still work. This list of macOS defaults commands is here to help."
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- property: "og:description"
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content: "You've already copied `defaults write` commands. Sometimes you don't know what they do and are not sure they still work. This list of macOS defaults commands is here to help."
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content: "summary_large_image"
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- property: "twitter:image"
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content: "https://inspiring-hopper-66c5ab.netlify.app/media-2x1.webp"
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content: "https://inspiring-hopper-66c5ab.netlify.app/media-2x1.jpg"
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---
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# macOS `defaults` list
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Uncomplete list of macOS `defaults` commands with demos ✨
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## 🙋 What's a `defaults` command?
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<div class="custom-block tip">
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<p>
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<em>macOS applications and other programs</em> use the <code>defaults</code> system to record user preferences and other information to be maintained when the application isn't running (font for new documents, or the position of an Info panel).
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Much of this information is accessible through an application's Preferences panel but sometimes they're hidden.
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</p>
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<p>
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User defaults belong to <strong>domains</strong>, which typically correspond to individual applications.
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Applications, system services, and other programs have their own domains, they also share a domain named <strong>NSGlobalDomain</strong>.
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If a default isn't specified in the application's domain, it may be specified in NSGlobalDomain.
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</p>
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<p>
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Each domain has a dictionary of keys and values representing its defaults; e.g. <strong>"Default Font" = "Helvetica"</strong>.
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<strong>Keys</strong> are strings, <strong>values</strong> can be complex data structures comprising arrays,
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dictionaries, strings, and binary data. They're stored as XML Property List.
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</p>
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<p>The <code>defaults</code> command line interface is a way to interact with these values.</p>
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</div>
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**Source: [Real-World-Systems](http://www.real-world-systems.com/docs/defaults.1.html)**
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### Command line interface basics
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#### Print the help
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```bash
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defaults help
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```
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#### List all domains
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```bash
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defaults domains
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```
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#### List all entries containing *word*
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```bash
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defaults search ${word}
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```
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#### Show the type for the given *domain*, *key*
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```bash
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defaults read-type ${domain} ${key}
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```
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#### Rename *old_key* to *new_key*
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```bash
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defaults rename ${domain} ${old_key} ${new_key}
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```
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## 💻 List of commands
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{{# categories }}
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### {{ name }}
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{{# keys }}
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- [{{ title }}](./{{ ../folder }}/{{ key }}.html)
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{{/ keys}}
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{{/ categories }}
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## 🤔 How do I add a command?
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The list will soon be open sourced! You'll always be welcome to submit PRs, until then reach me on
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[Twitter](http://twitter.com/_YannBertrand).
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## ❤️ I like this website, how can I build the same?
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Thank you! I built it using [VuePress](https://vuepress.vuejs.org/). I liked the experience a lot.
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