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sysctl
Access kernel state information.
- Show all available variables and their values:
sysctl -a
- Show Apple model identifier:
sysctl -n hw.model
- Show CPU model:
sysctl -n machdep.cpu.brand_string
- Show available CPU features (MMX, SSE, SSE2, SSE3, AES, etc):
sysctl -n machdep.cpu.features
- Set a changeable kernel state variable:
sysctl -w {{section.tunable}}={{value}}