Update cheatsheets

osx/sysctl

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, osx]
+source: https://github.com/tldr-pages/tldr.git
+---
+# sysctl
+
+> Access kernel state information.
+> More information: <https://keith.github.io/xcode-man-pages/sysctl.8.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}}`