Learn Linux, 101: Manage file permissions and ownership

"In this article, learn to control file access through correct use of file and directory permissions and ownerships. Learn to:

* Manage access permissions on both regular and special files as well as directories
* Maintain security using access modes such as suid, sgid, and the sticky bit
* Change the file creation mask
* Grant file access to group members

"Unless otherwise noted, the examples in this article use Fedora 13 with a 2.6.34 kernel. Your results on other systems may differ.

"This article helps you prepare for Objective 104.5 in Topic 104 of the Linux Professional Institute's Junior Level Administration (LPIC-1) exam 101. The objective has a weight of 3.

"We introduced some of the file and group ownership concepts of this article in our previous article "Learn Linux 101: Manage disk quotas." This article will help you understand those concepts more completely."

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