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Learn Linux, 101: Runlevels, shutdown, and reboot

Jan 11, 2011, 17:32 (0 Talkback[s])
(Other stories by Ian Shields)

"In this article, learn to shut down or reboot your Linux system, warn users that the system is going down, and switch to single-user mode or a more or less restrictive runlevel. Learn to:

* Set the default runlevel
* Change between runlevels
* Change to single-user mode
* Shut down or reboot the system from the command line
* Alert users about major system events, including switching to another runlevel
* Terminate processes properly

"Unless otherwise noted, the examples in this article use a Fedora 8 system with a 2.6.26 kernel. The upstart examples use Fedora 13 with a 2.6.34 kernel, or Ubuntu 10.10 with a 2.6.35 kernel. Your results on other systems may differ.

"This article helps you prepare for Objective 101.3 in Topic 101 of the Linux Professional Institute's Junior Level Administration (LPIC-1) exam 101. The objective has a weight of 3."

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