tldr/pages/osx/sysctl.md

460 B

sysctl

Access kernel state information. More information: https://ss64.com/osx/sysctl.html.

  • 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}}