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16 lines
404 B
Markdown
16 lines
404 B
Markdown
# blkdiscard
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> 丢弃存储设备上的设备扇区。对 SSD 有用。
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> 更多信息：<https://manned.org/blkdiscard>.
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- 丢弃设备上的所有扇区，删除所有数据：
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`blkdiscard /dev/{{设备名}}`
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- 安全地丢弃设备上的所有块，删除所有数据：
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`blkdiscard --secure /dev/{{设备名}}`
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- 丢弃设备的前 100 MB：
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`blkdiscard --length {{100MB}} /dev/{{设备名}}`
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