The document provides an overview of iPKG, a package management system originally designed for smartphones like the Compaq iPAQ. iPKG is now being used on other consumer devices as it allows for small, fine-grained packages to be installed and run on devices with limited storage capacity. The document also discusses the NSLU2, an embedded device with Linux that can perform tasks beyond its original design through additional software, and describes some of the common tasks an NSLU2 device may perform through Linux software like serving files and media.