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tldr/osx/sysctl.md
Peter Tripp e4118b1585 A bunch of new pages: 
common/: dig, gzip, rm, sort, zfs, zpool
linux/: apt-get, shutdown
osx/: airport, caffeinate, diskutil, networksetup open, pgrep, qlmanage, say, shutdown, sysctl, system_profiler

Edits to existing pages:
curl: Added simple download example
find: Added iname and size exmaples
grep: Edited -c description
ps: Added wide lines example
ssh: edited -D description, added simple port forwarding example
unzip: added list option
2014-02-10 12:36:05 -08:00

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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.feature

  • Set a changeable kernel state variable

sysctl -w name=value sysctl -w kern.maxfiles=15000