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wiki/concepts/休眠-Hibernate.md
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wiki/concepts/休眠-Hibernate.md
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title: "休眠 (Hibernate)"
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type: concept
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tags: [systemd, power-management, linux]
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date: 2026-04-17
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---
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## Aliases
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- hibernate
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## Definition
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Linux 系统电源状态之一,将内存中的数据写入磁盘后完全断电,下次启动时从磁盘恢复数据。
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## Key Properties
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- 与 [[待机 (Suspend)]] 的区别:休眠完全断电,待机保持内存供电
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- 系统完全停止运行,不耗电
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- 唤醒时间较长(需要从磁盘加载数据)
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## Related Commands
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- `systemctl hibernate`:手动进入休眠
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- `systemctl mask hibernate.target`:禁用休眠功能
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## Use Cases
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- 长时间不使用笔记本时
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- 需要携带笔记本外出时
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- 服务器场景:通常禁用休眠以保持服务运行
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## Connections
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- control_by → [[systemd-logind]]
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