红帽全球峰会23.3. system:property
23.3.1. 描述
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get 或设置系统属性。
23.3.2. 语法
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system:property [options] [key] [value]
23.3.3. 参数
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| 名称 | 描述 |
|---|---|
| key | 系统属性名称 |
| value | 系统属性的新值 |
23.3.4. 选项
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| 名称 | 描述 |
|---|---|
| --help | 显示此帮助信息 |
| -f, --file-dump | 转储文件中的所有系统属性（数据文件夹中） |
| -p,--persistent | 在 etc/system.properties 文件中保留新值 |
| -u, --unset | 显示未设置值的属性 |
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