Sysctl
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Internal
Overview
Gets/sets the kernel state.
Displays all available and "opaque" values.
sysctl -A
For more details about individual configuration attributes, see:
Options
-w
Write configuration:
sysctl -w net.bridge.bridge-nf-call-iptables=1
This writes /proc/sys/net/bridge/bridge-nf-call-iptables.
Mac Only Attributes
hw.memsize
Physical memory size available on the system (in bytes).