Tails stands for "The Amnesic Incognito Live System," and the operating system certainly lives up to that name. But what is Tails? Tails is a live operating system, which means it's not installed.

PCWorld’s guide helps users navigate the overwhelming choice of approximately 250 Linux distributions by focusing on five main strains: Debian, Red Hat/Fedora, Arch, Slackware, and Gentoo.

We list the best lightweight Linux distros, to make it simple and easy to run a more stripped-down version of Linux, especially for older computers. This means you shouldn't expect these distros to ...