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75f01692b4
Let's put the power_state global node into the /sys/kernel directory, because that directory represents all global nodes and variables being related to the Kernel. It's also a mutable node, that is more acceptable being in the mentioned directory due to the fact that all other files in the /sys/firmware directory are just firmware blobs and are not mutable at all.
18 lines
321 B
Markdown
18 lines
321 B
Markdown
## Name
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shutdown - Power off the machine
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## Synopsis
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```**sh
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$ shutdown
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```
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## Description
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`shutdown` instructs the kernel to power off the machine immediately.
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## Notes
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The `shutdown` utility opens the `/sys/kernel/power_state` node and writes the magic value "2"
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to instruct the kernel to power off the machine.
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