Learn Linux, 101: Debian package management

Learn Linux, 101: Debian package management: "Learn how to install, upgrade, and manage packages on your Linux® system. This article focuses on the Advanced Packaging Tool, or APT, which is the package management system used by Debian and distributions derived from Debian, such as Ubuntu. You can use the material in this article to study for the LPI 101 exam for Linux system administrator certification, or just to explore the best ways to add new software and keep your system current."