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Linux in a Nutshell, Fourth Edition by Aaron Weber, Stephen Figgins, Ellen Siever

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Name

sysctl

Synopsis

                  sysctl [options] [key]

System administration command. Examine or modify kernel parameters at runtime using the /proc/sys filesystem. While many of these kernel keys can be altered by other utilities, sysctl provides a single interface to kernel settings.

Options

-a, -A

Display all available values.

-e

Ignore requests for unknown keys.

-n

Do not print the keyname when printing values.

-p

Reset keys from information specified in /etc/sysctl.conf.

-w key = value

Write a new value to the specified key.

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