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30 lines
571 B
Plaintext
30 lines
571 B
Plaintext
---
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syntax: markdown
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tags: [tldr, osx]
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source: https://github.com/tldr-pages/tldr.git
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---
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# sysctl
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> Access kernel state information.
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> More information: <https://keith.github.io/xcode-man-pages/sysctl.8.html>.
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- Show all available variables and their values:
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`sysctl -a`
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- Show Apple model identifier:
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`sysctl -n hw.model`
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- Show CPU model:
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`sysctl -n machdep.cpu.brand_string`
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- Show available CPU features (MMX, SSE, SSE2, SSE3, AES, etc):
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`sysctl -n machdep.cpu.features`
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- Set a changeable kernel state variable:
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`sysctl -w {{section.tunable}}={{value}}`
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