If you want to try out a new Linux distro, be it the latest Ubuntu 11.04 Natty Narwhal daily ISO or any other (I've only tested it with Ubuntu though!) and don't want to burn a CD each time you want to try a new daily build (and you don't have an USB memory stick around), you can use a cool GRUB 2 feature that lets you boot a live CD ISO directly from your hard disk.

What fills an entire CD, only fills 17% of a 4GB thumb drive ... In contrast to Live CDs, the data contained on a Live USB can be changed and additional data can be stored on the same device

The Sabayon 5.2 release features Xorg 7.5, GNOME 2.28, KDE 4.4.1, XBMC 9.11 and much more. Sabayon is know for offering cutting edge features, great application selection and out-of-the-box experience that is unmatched by any. The Sabayon 5.2 release also comes with a uniquely blue theme that I found to be quite attractive, check it out.

The Parsix Linux distribution is derived from KANOTIX, based on the Debian testing branch, and developed by a team in Iran. The distro comes as a live CD with English and Persian languages installed by default and many others available.

You’ve heard it before, back up your hard drive. And kind of like the adult voices in Peanuts comics strips, you tend to tune out the droning noise and attend to more pressing matters, like getting stuff done and making deadlines. Before you know it, you have a full year of important work, photos, files on your hard drive and it’s still not backed-up. Time creeps along, and suddenly BAM, you’re staring into a blue blank screen and find yourself repeating over and over, “I shoulda, woulda, coulda.” To get life again, you even re-install Windows, but it still won’t reboot.

Linux is a powerful operating system, but chances are it's a very different operating system than any you've used before. The dizzying number of choices in distributions alone is enough to make your head spin, but it also means there's something out there that really suits your computing style.

Fedora 7 (not Fedora Core 7) is out. The web will be buzzing with reviews and feature sets. Here is an excellent article on Red Hat Magazine about new graphical tools to build live and installable ISOs - including the new Revisor which will be in the software repositories soon.