Michael Maher

Fedora features the first persistent, nondestructive LiveUSB. Your USB key can become a fully booting and functional Fedora you can carry with you anywhere, to use on any system that can boot on USB (most computers made in the last five years). Persistence means you can change the system, updating it with new software, [...]

This is Linux Mint 5, codename Elyssa, based on Daryna and compatible with Ubuntu Hardy and its repositories.
features
Gnome-Do doesn’t just come installed by default in Elyssa, it’s configured to run in the background. Press SUPER+SPACE and it should appear. From there you can quickly launch an application or use any of the advanced features provided [...]

CentOS exists to provide a free enterprise class computing platform to anyone who wishes to use it. CentOS 2, 3, 4 and 5 are built from publicly available open source SRPMS provided by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policies and aims [...]

Gentoo uses a BSD ports-like system called Portage. Portage is a package management system that allows great flexibility while installing and maintaining software on a Gentoo system. It provides compile-time option support (through USE flags), conditional dependencies, pre-package installation summary, safe installation (through sandboxing) and uninstallation of software, system profiles, configuration file protection [...]