Linux Command Directory
This directory of Linux commands is from Linux in a Nutshell, 5th Edition.
Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.
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.
Display all available values.
Ignore requests for unknown keys.
Print values only, no keynames.
Reset keys from information specified in /etc/sysctl.conf.
Write a new value to the specified key.